1[.单选题]No sooner had she got home __ she tried on her new coat.
A.that
B.than
C.before
D.when
[答案]B
[解析]no sooner…than引导时间状语从句，表示“一……就……”。
2[.单选题]Our teacher never __ us leave class early.
A.lets
B.allows
C.make
D.tells
[答案]A
[解析]四个被选项中只有let和make之后可接省to的不定式，make意为“使，迫使”，但它不是第三人称单数;let意为“让”。因此，选A。
3[.单选题]Peter stays at home without a job,but he gets good __.
A.pay
B.salary
C.wage
D.income
[答案]D
[解析]pay表示“支付”;salary和wage都指“(通过上班而得到的)薪水”，income指“收入”。
4[.单选题]__ illness,he went to the seaside for vacation.
A.Due to
B.According to
C.Owing to
D.For the sake of
[答案]C
[解析]due to表示“因为”，但不能放在句首。according to是“根据，按照”的意思。Owing to相当于because of;for the sake of表示“为了(某人);看在(某人)的份上”。
5[.单选题]__ I cannot keep up with my classmates.
A.How I try hard
B.Whatever hard I try
C.No matter how I try hard
D.No matter how hard I try
[答案]D
[解析]no matter how=however，表示“无论如何”。
6[.单选题]It is requested that all the students __ present at the meeting tomorrow.
A.were
B.are
C.will be
D.be
[答案]D
[解析]在“It is+表示提议、要求、命令等含义的动词过去分词+that分句”这一结构中，从句谓语动词用“动词原形”或“should+动词原形”表示虚拟语气。
7[.单选题]It was clever __ at the answer in two minutes.
A.of him to arrive
B.for him to arrive
C.for his arriving
D.of his arriving
[答案]A
[解析]比is+形容词+of+名词/代词+不定式，of后的名词/代词为不定式的动作发出者。
8[.单选题]It is difficult to distinguish one twin __ the other.
A.to
B.by
C.for
D.from
[答案]D
[解析]distinguish...from...表示“使……区别于”。
9[.单选题]My parents always buy __ my birthday.
A.anything nice to
B.anything nice for
C.something nice to
D.something nice for
[答案]D
[解析]肯定句用something，for表示“为了”。
10[.单选题]To travel from England to Scotland you __ a passport.
A.mustn't have
B.haven't got
C.don't need
D.needn't
[答案]C
[解析]句中need是行为动词，其后接名词做宾语。
11[.单选题]Anyone can get into the club,__ he is a member there.
A.even if
B.unless
C.as that
D.so long as
[答案]D
[解析]even if意为“即使”：unless意为“除非”;so long as意为“只要”。根据题意，选D。
12[.单选题]When he was in his he began to study English.
A.forty
B.forty's
C.forties
D.forty's years old
[答案]C
[解析]在某人几十岁时，用“in one’s+基数词的复数形式”。
13[.单选题]He is()a horse.
A.stronger as
B.as stronger than
C.the strong as
D.stronger than
[答案]D
[解析]比较级形容词前不加定冠词。
14[.单选题]I think he studies very hard,__?
A.does he
B.doesn't he
C.don't I
D.do I
[答案]B
[解析]对含有宾语从句的句子进行反义疑问时，如主语是第一人称I，we，则反义疑问句的动词应随宾语从句的动词形式。
15[.单选题]In __ century,computers will be used more widely.
A.twenty-one
B.the twenty-one
C.twenty-first
D.the twenty-first
[答案]D
[解析]表示多少世纪用序数词，序数词前需加the。
