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

It rainy and windy on April 5th, so I stayed at home all day.

The web is fantastic at many things, e-mail, e-commerce, for exampleBut _____ your name is Amazon Or Google, making money has proved hard

You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks

David asked in China.一Of course not. Chinese usually shake hands with a lady as a greeting.

I can’t go out to play because I______my homework yet.