You________ drink it, for it is poisonous.
| A．can’t | B．needn’t | C．may not | D．mustn’t |
She bought with her three friends , none of______ I had ever met before .
| A．them | B．who | C．whom | D．these |
As we all know , reading is to the mind______ food is to the body.
| A．that | B．what | C．as | D．where |
________my mathematics is very poor.
Don’t worry . I’ll help you________ I can.
| A． as far as | B．as soon as | C． as quickly as | D．as possible as |
_________matters most in learning English is enough practice.
| A．What | B．Why | C．Where | D．Which |
In the factory women _______ 44% of the workforce , and nearly half the mothers with children are in paid work.
| A．build up | B．set up | C．make up | D．take up |