21. ---Do you like your school life?
---It’s hard to say. If there were no ________ examinations, I should have _______ much happier time at school.
A. an; a B. /;a C. a; the D. /; /
22.------Can I get you a cup of coffee?
------________________.
A. With pleasure. B. That’s very nice of you.
C. Thank you for the coffee. D. You can, please.
23.The farmers needed agricultural technology. Therefore, skilled workers were sent there.
A. a great number of, a large amount of B. large amounts of, the number of
C. a large amount of, a great number of D. the amount of, a great number of
