问题

Have you got the leaving time of the train for me?—Yes, but you’d better ____of it by yourself.

A:make sure
B:be sure
C:to make sure
D:be certain

正确答案是：

同类题型

A bright idea suddenly struck me_________ I could use the money l saved to help a poor student in thecountryside

What about this afternoon—That’s a good idea.

The little girl was ________ losing her life, but she is now ________[ ]

─Do you know second-hand smoke─To prevent our health and memory.

The Iranian government is accused of someterror organizations in the Middle East by the United States, who can’t notproduce firm evidences to prove it．