11. Though I have often heard this song ______, I have never heard you ______ it.
A. being sung; sang B. sang; singing C. sung; sing D. to be sung; to sing
____________, they have been struggling against the snowstorm for ten hours.
A. Up to now B. By the time C. From then on D. In the future
Our teacher looked here and there on our playground ________ looking for something.
A. even though B. even if C. as if D. only if
The country itself didn’t have enough gas because of the war, so the government decided to ________ its gas supplies to other countries.
A. hide away B. cut off C. insist on D. break up
In order not to let the others hear what he said, he ________ the news to me.
A. shouted B. told C. whispered D. said
6. — Can you tell us what is important to a businessman? — ________ information.
A. Collect B. Collected C. Having collected D. Collecting
