新概念一課一練精華版1冊
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（
A
）7. — How old is our English teacher?
— She is ______ forty years old.
A. at least
B. in least
C. for least
D. on least
答案：7. A
解析：“至少”用at least，固定搭配，選A。
Ⅲ 用括號中所給詞的正確形式填空。
1. Karen Marsh is
more
than forty years old. (many)
2. Isn't he her
third
husband? (three)
3. There are at
least
3,000 students in that school. (little)
4. The woman's daughter is an
actress
. (act)
5. She must
be
Swedish. (is)
6. They can't be
reading
books. (read)
7. The building which I live in
stands
near a park. (stand)
8. The man
running
away quickly must be a thief. (run)
9. My mother
had aired
the room before I came in. (air)
10. While she
was doing
her homework the telephone rang. (do)
答案：1. more
解析：“than”是比較級的標志，many的比較級是more，填more。
2. third
解析：“她的第三任丈夫”，用序數詞third，填third。
3. least
解析：“at least”表示“至少”，填least。
4. actress
解析：“女演員”用actress，填actress。
5. be
解析：“must+動詞原形”，is的原形是be，填be。
6. reading
解析：“be+現在分詞”表示正在進行，“read books”表示“讀書”，填reading。
7. stands
解析：主語是the building，是第三人稱單數，謂語動詞用stands，填stands。
8. running
解析：“running away quickly”是現在分詞短語作后置定語，修飾the man，填running。
9. had aired
解析：“before I came in”表示過去的過去，用過去完成時，“had+過去分詞”，air的過去分詞是aired，填had aired。
10. was doing
解析：“while”引導的時間狀語從句，主句用一般過去時，從句用過去進行時，“do homework”表示“做作業”，填was doing。
1. Liz can recognize her,
can't she
?
2. I
don't think so
.
3. She
must be watching
television.
4. The question
can't be
difficult.
5.
Doesn't
she
look
old?
6. It
can't be
my old hat.
答案：1. can't she
解析：反意疑問句遵循“前肯后否”，主句是肯定句，情態動詞是can，否定形式是can't，主語是she，填can't she。
2. don't think so
解析：“I think so”的否定句是“I don't think so”，填don't think so。
3. must be watching
解析：“In my opinion she is watching...”表示肯定推測，用must be watching，填must be watching。
4. can't be
解析：“In my opinion the question isn't difficult”表示否定推測，用can't be，填can't be。
5. Doesn't, look
解析：否定疑問句是在肯定句的基礎上，在主語前加助動詞的否定形式，主語是she，助動詞用doesn't，looks變為原形look，填Doesn't, look。
6. can't be
解析：“must be”的否定是can't be，填can't be。
Kate: Can you
recognize
that woman, Liz?
Liz: I think I
can
, Kate. It
must
be
Karen Marsh, the
actress
.
Kate: I
don't
know
.
Who's
that beside her?
答案：recognize, can, must be, actress, don't know, Who's
解析：第一空“認出”用recognize；第二空“我想我能”用can；第三、四空“一定是”用must be；第五空“女演員”用actress；第六、七空“我不知道”用don't know；第八空“誰是”用Who's。
