Thebosstheworkerhowtodoit,orth

The boss ______ the worker how to do it, or the accident couldn’t have happened.

A．can’t have told

B．ought to tell

C．could have told

D．mustn’t have told

登录免费查看答案和解析

相关试题

You've failed to do what you __________ to and I'm afraid the teacher will blame you.

A．will expect	B．will be expected
C．expected	D．were expected

收藏答案/解析

He is the only one of the students __________ want to accept the teacher's advice.
A. that don't B. who don't
C who doesn't D. that do

收藏答案/解析

It is reported that many a new house __________ at present in the disaster area.

A．are being built	B．were being built
C．was being built	D．is being built

收藏答案/解析

More than one student __________ sent to the hardest place since 1979.

A．is	B．are
C．has been	D．have been

收藏答案/解析

-__________ either Tom or I fit for the temporary job?
-Neither he nor you __________.

A．Am; are	B．Are; are
C．Is; are	D．Is; is

收藏答案/解析