He ______ to get out of trouble, but no one would help him.
A.succeeded | B.attempted |
C.managed | D.Offered |
QQ, ________ you can chat with your friends, makes communication easy.
A.how | B.where | C.that | D.which |
I was watching the news on TV ________ the power went off.
A.when | B.as | C.while | D.until . |
—How long will it be ________ the 30th Olympic Games is held in London?
—It won’t be two years, I think.
A.when | B.that | C.before | D.since |
When first ________ to the market, the computer software . was not a success due to its complexity in operation.
A.introducing | B.being introduced | C.introduced | D.to be introduced |
Have you ever wondered why some of the smartest students in your class sometimes ________ failing exams?
A.take up | B.pick up | C.come up | D.end up |