21? He didn't go to school， ___ he was ill.?
A? for B? but C? and D? so
[答案] A.?
[析] 这里是表示因果的关系，从句表示原因，所以用 for，放于句尾，且常常前面有一个逗号。so 引起的是结果状语从句，如： He was only twelve， so he couldn't join the army??
22? The young woman can hardly ride a bike， ___ she??
A? doesn't B? does C? can't D? can
[答案] D.?
[析] hardly 为否定词，所以应视此句为否定句。其后的反意疑问句应用肯定句。?
23? Tom never goes to the cinema on Sundays， ___ ??
A? does he B? doesn't he C? isn't he D? is he
[答案] A.?
[析] never 也是否定词，所以应将句子看作否定句。?
24? Mother said to him， "Don't ___ on football."?
A? spend too much time B? to spend too much time ?
C? spend too many time D? to spend too many time
[答案] A.?
[析] time 作为"时间"讲为不可数名词，应用 much 来修饰。当作"次数"讲是可数名词，如 three times 三次，而 Don't … 这一句是祈使句的否定句。?
25? Mr White， together with some Japanese friends， ___ visit our school this afternoon.?
A? are going to B? is going to C? have D? has
[答案] B.?
[析] 句子的主语是Mr? White， 而together with … 是伴随状况，不影响句子的主语。?
26? There is little water in the glass， ___ ??
A? is it B? is there C? isn't it D? isn't there
[答案] B.?
[析] 这是 there be 句型的反意疑问句。?
27? Ampere was thinking about a maths problem， ___ ??
A? didn't he B? wasn't he C? did he D? is he
[答案] B.?
[析] 这是进行时态的反意疑问句。?
28? She had a good time yesterday， ___ she ??
A? wasn't B? didn't C? hasn't D? isn't
[答案] B.?
[析] had 这里是实意动词而不是助动词。?
29? We'll make ___ for you in the front of the car.?
A? a room B? room C? rooms D? some rooms
[答案] B.?
[析] room 此处为不可数名词，意为"地方，空间"。?
30? Neither she nor I ___ to the Great wall before.?
A? has gone B? have gone C? have been D? has been
[答案] C.?
[析] 由neither … nor 连接两个主语时，其谓语动词应与相临近的那个主语相呼应。?
31? Help me collect these books， ___ ??
A? are you B? will you C? do you D? shall you
[答案] B.?
[析] 祈使句的反意疑问句应用 will you， 而Let's go 例外，其反意疑问句为 shall we?
32? The number of deer， mountain lions and wild roses
___ change much if people leave things as they are.?
A? don't B? doesn't C? isn't D? didn't
[答案] B.?
[析] the number of 为"……的数量、数目"，所以谓语动词用单数形式。而 a number of 要加复数名词，其谓语动词也用复数。?
33? She's had breakfast， ___ ??
A? is she B? isn't she C? hasn't she D? has she ?
[答案] C.?
[析] 这里的's应视为 has??
34? I wonder ___ .?
A? whose bicycle is it B? it is whose bicycle?
C? is it whose bicycle D? whose bicycle it is
[答案] D.?
[析] wonder 后的宾语从句应用陈述语序。?
35? It is good for us ___ morning exercises.?
A? do B? to do C? did D? done
[答案] B.?
[析] 这里的 it 是形式主语，而真正的主语是不定式 to do …?
36? Peter has sports very often， ___ ??
A? does， Peter B? doesn't he C? doesn't Peter D? does he ?
[答案] B.?
[析] has 这里是实意动词，而主语为名词时其反意疑问句中的主语要用代词。
37? Mr? Black said， "Jenny， don't be late tomorrow?"?
Mr? Black told Jenny ___ .?
A? don't be late tomorrow B? didn't be late tomorrow ?
C? not be late next morning D? not to be late the next day
[答案] D.?
[析] tell 一般要加双宾语，其间接宾语是 Jenny， 直接宾语是不定式。而这里用的是不定式的否定形式。?
38? Li Mei read the newspaper to the granny， ___ ??
A? does she B? didn't she C? did she D? wasn't she
[答案] B.?
[析] read这里是过去时态，因其主语是第三人称单数，而 read 并未加 s 所以是过去时态。(read 的过去时与过去分词都是 read，只不过读音不同)?