Youfeel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.
| A． | should | B． | need | C． | shall | D． | may |
I can’t have him _______ fun of others.
| A．make | B．making | C．made | D．to make |
At long last the child was found on top of ______ we call the museum of science and technology.
| A．which | B．that | C．what | D．where |
Personally, the job as a teacher _____ be challenging, for I sometimes _____ deal with some smarter but less diligent students.
| A．can; have to | B．may; can | C．has to; may | D．ought to; must |
Nowadays, _______ cars are more and more popular.
| A．electronic | B．electric | C．electrical | D．electricity |
I don’t know why he ________ in the middle of a sentence.
| A．broke off | B．broke out | C．broke down | D．broke up |