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－Mr Li, may I go home now?

－No, you ________．You should sweep the floor first．

A．can’t

B．must

C．needn’t

D．can

－When shall we go to the park, this morning or this afternoon?

－________ is OK．I’m free the whole day．

A．Either

B．Neither

C．None

D．Both

－Look, the light in the teacher’s office is still on．Mr Li is working there．He always works late at night．

－It ________ be Mr Li．He has gone to London for a short visit．

A．can’t

B．mustn’t

C．may

D．must

－Must I use both hands when I accept a present from a friend?

－________．

A．Yes, you can

B．Yes, you must

C．No, you can’t

D．No, you mustn’t

Many children love to ________ animals in the zoo．

A．take photo with

B．take photos of

C．take photo of

D．take photos with

It’s very interesting ________ the students ________ a picnic in spring．

A．for; have

B．to; have

C．for; to have

D．for; having

He stayed at home ________ going to movies．

A．instead of

B．instead

C．take the place of

D．in the place of

That is the house ________ I lived twenty years ago．

A．which

B．who

C．in which

D．at which

－Work hard, or you will fail in the examination．

－Well, I’ll ________．

A．try one’s best

B．try my best

C．do one’s best

D．do my better

You ought to teach that boy ________．

A．to mind his manner

B．to polite

C．to be polite

D．to be manner