You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.
A. that; what B. what; / C. which; that D. /; that
_____ the Internet is of great help. I don’t think it’s a good idea to spend too much time on it.
A. If B. While C. Because D. As
– Where did you get to know her?
-- It was on the farm ___ we worked.
A. that B. there C. which D. where
You can borrow my car ________ you promise not to drive too fast.
A. unless B. even if
C. in case D. as long as
I believe that Mary hurt her mother’s feelings consciously rather than ______ as she said.
A. in advance B. by chance
C. on purpose D. for sure
Is this the reason _______she explained in the report for her success in the job?
A. what B. that
C. how D. why
