一、情态动词类.Facts prove that the world’s economic development is not a win—lose game but one in which all _____be winners.can B.shall C.must D.would
This book is said to be a special one, which __________ many events not found in other history books.
You shouldn’t keep silent when __________.
---The meeting has begun and __________ he will come. ---Of course, he is sure to come. He’ll speak at the meeting.
—What do you think of this matter? —This is a matter of__________ importance. I think.
Some countries are increasing their use of natural gas, and other forms of __________.