21The previous lecture focused on the reading problems in new words, while this lecture will turn to _____ in complex sentence structures.
A.that
B.one
C.those
D.ones
开始考试练习点击查看答案22I"m moving to the countryside because the air there is much fresher than _____ in the city.
A.ones
B.one
C.that
D.those
开始考试练习点击查看答案23— He was nearly drowned once. — When was _____? — _____ was 1998 when he was in middle school.
A.that; It
B.this; This
C.this; It
D.that; This
开始考试练习点击查看答案24I’d appreciate ______ , to be frank, if you would like to teach me how to use blog and twitter on the Internet.
A.that
B.it
C.this
D.what
开始考试练习点击查看答案25We are seeking a prime minister, _____ who will devote himself to the interest of the country.
A.he
B.him
C.that
D.one
开始考试练习点击查看答案26______ we know, the air quality in the city has improved over the past two years.
A.That
B.As
C.What
D.It
开始考试练习点击查看答案27Surely the day you are informed of your being admitted to a famous key university will be ________ of joy and celebration for your family, relatives and friends.
A.that
B.the one
C.one
D.those
开始考试练习点击查看答案28Did he find _____ hard to learn a foreign language?
A.that
B.him
C.it
D.himself
开始考试练习点击查看答案29I don"t believe you can do today"s job with yesterday"s methods and be in tomorrow"s business, ________？
A.do I
B.don"t I
C.can you
D.can"t you
开始考试练习点击查看答案30Tom told me that he needed a chair and that soon he found ________.
A.it
B.that
C.one
D.the one
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