问题

Be careful when you cross this busy street. ________, you may get run over by a car.

A:If not
B:If so
C:If any
D:If possible

正确答案是：

同类题型

It was with the selfless help of our teacher ______ werealized our dream

When I met Daniel at the station ______ thefirst time, he was in the waiting hall _____.

Mary istaller thanTina.

The msee from the expression on his face.

下列各句中，表达得体的一句是