An person must do important checks. A: An approved<br/>person must do the important checks. B: A qualified<br/>person must do the important checks. C: A trained<br/>person must do the important checks.
An person must do important checks. A: An approved<br/>person must do the important checks. B: A qualified<br/>person must do the important checks. C: A trained<br/>person must do the important checks.
关键的检查必须由授权的人来进行。 A: An approved<br/>person must do the important checks. B: An allowable<br/>person must do the important checks. C: An authorized<br/>person must do the important checks. D: An capable<br/>person must do the important checks.
关键的检查必须由授权的人来进行。 A: An approved<br/>person must do the important checks. B: An allowable<br/>person must do the important checks. C: An authorized<br/>person must do the important checks. D: An capable<br/>person must do the important checks.
______,I must do another experiment.
______,I must do another experiment.
You must do the whole exercise again.
You must do the whole exercise again.
4. You...a lot of hobbies at the same time. A: must do B: can do
4. You...a lot of hobbies at the same time. A: must do B: can do
We must do ____ the people want us to do.
We must do ____ the people want us to do.
You must do something to prevent your house _______.
You must do something to prevent your house _______.
Must I do my homework at once ? —No, you _______.
Must I do my homework at once ? —No, you _______.
Lots of homework _____, I must do it now. A: done B: doing C: to do D: is done
Lots of homework _____, I must do it now. A: done B: doing C: to do D: is done
—______ I do the laundry first —No, you ______. You can do your homework first. A: Must; needn’t B: B. Must; mustn’t C: Can; can’t
—______ I do the laundry first —No, you ______. You can do your homework first. A: Must; needn’t B: B. Must; mustn’t C: Can; can’t