问题

Small blocks of time can also be made full of the problems in our study.

A:use; to settle
B:using; settling
C:to use; to settle
D:use; settling;

正确答案是：

同类题型

Which of the following sentences is wrong

I’m sorry to have given you so much trouble, Mrs. Smith.— ________.

When we feel sad, some colours can _______.

Various ways have been provided for us to solve the problem. We can choose _____to start with.

rang you several times yesterday but couldn’t____.