In Britain today，women______44% of the workforce，and nearly half the mothers with children are in paid work.
| A．build up |
| B．make up |
| C．take up |
| D．send up |
She ______ 21 in June.
| A．becomes | B．gets | C．grows | D．turns |
The student must be working very hard, ________?
| A．doesn’t he | B．mustn’t he | C．needn’t he | D．isn’t he |
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 |