To their disappointment, they found the lecture given by the professor difficult__________.
A.to be understood | B.to understand |
C.understanding | D.understood |
Let’s take _____ ten-minute break and have _______ drink of water.
A.a; a | B.the; the | C.the; a | D.不填;the |
He _______ us that everything would go according to plan, but it turned out a failure.
A.suggested | B.demanded | C.ordered | D.guaranteed |
His sister left home in 1998, and since.
A.had not been heard of | B.had not heard of |
C.has not been heard of | D.has not heard of |
The weather in Beijing in winter is colder than in Fuzhou.
A.one | B.it | C.that | D.what |
Although _____ to stop, he kept on working.
A.was told | B.telling | C.having told | D.told |