【题目】Spend more time talking with your parents, ______ they may not understand you.
A.or
B.so
C.and
D.but

【题目】About _________ of the engineers in my company seem to be in their _________.
A.second-nines; forties
B.two-ninths; forties
C.second-ninths; fortieth
D.two-ninths; fortieth

—________.

A. They're tigers B. They're very beautiful

C. I like tigers D. They're from Africa

A. of; for B. of; of C. for; of D. for; for

A. unless B. since C. until D. while

— Sorry, I won’t do it again.

A. not talk B. don’t talk C. don’t to talk D. not to talk

—Because they're very cute.

A. What B. When C. Why D. How

A.how much is the car

B.how much does the car cost

C.how much did I pay for the car

D.how much I spent on the car

【题目】-- Please say something about Zheng He.
-- Oh! He is the Ming dynasty explorer of all the Chinese are proud.
A.who
B.whom
C.whose

A. Much；better B. The much；the better

C. The more；the better D. The more；the well