问题

Tom assured (向……保证) his boss that he would _____ all his energies in doing this new job.

A:call forth
B:call at
C:call by
D:call off

正确答案是：

同类题型

I saw some _____ teachers _____ out of the office.

下列各句中，没有语病的一句是（）

It is difficult to ____ one twin from theother. They almost don’t ____ from each other.

I’m sure, and you’ll find herfriendly and easy-going

It’s up __ you to decide where to meet tomorrow morning