问题

30. This dictionary is of great use, which can help you_________many problems about words and idioms.

A:keep up
B:clear up
C:look up
D:take up

正确答案是：

同类题型

No one admittedthe window. [ ]

y I _______ your praise then! For, you see, I lost heart and gave up.

There is no doubt ________. [ ]

ou visit the museum today—No We _____ it, but we spent too much time shopping

In the good care of the nurses, the boy is_____ recovering from his heart operation