11. We ______ on it for many hours, but we have not yet reached any conclusion.
A. are being worked B. are working C. have been working D. have been worked
答案:C
12. Shanghai ______ on the Huangpu River.
A. stand B. stands C. is being stand D. has stood
答案:B
13.“ Tell the students to stop shouting. We______ our essays now.”
A. write B. have been writing C. are writing D. have written
答案:C
第14题 He tried to__________his involvement in this robbery,but he finally confessed.
A.decline B.reject C.refuse D.deny
答案:D
15. Chinese married couple _____ red packets to children and the unmarried during the Chinese new Year.
A. give B. have been giving C. are giving D. have given
答案:A
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