Please keep us _________ of any change of address as soon as possible.
A. Informing B. to inform
C. being informed D. informed
Not until he retired from teaching three years ago _________ having a holiday abroad.
A. he had considered B. did he consider
C. he considered D. had he considered
Never before _________ seen anybody who can play tennis as well as Robert.
A. had she B. she had
C. has she D. she has
The manager was so satisfied with all I had done she gave me a promotion.
A. that; which B. what; that
C. what; as D. that; that
You have to wear a helmet and a life jacket for protection, just ___ you fall into the water.
A. in case B. unless
C. though D. as
Wuhan lies _____ the Changjiang River and the Han River meets.
A. which B. wherever
C. that D. where
