Mark was a student at this university from 1999 to 2003, ____ , he studied very hard and was made Chairman of the Students' Union.
A.during which time | B.for which time | C.during whose time | D.by that time |
So hard _______ that he can go to an ideal university.
A.studied Tom | B.did Tom study |
C.does Tom studay | D.studies Tom |
QQ, ______you can chat with your friends, makes communication easy.
A.why | B.which | C.that | D.where |
These tax laws which are intended for domestic companies do not _____ to foreign companies.
A.contribute | B.lead | C.apply | D.fit |
The film is very humorous but______can be enjoyed unless you understand English culture.
A.everything | B.something | C.nothing | D.anything |
---Your composition is full of mistakes.
---I wish I______more careful.
A.would have been | B.had been | C.would be | D.were |