How should you insert your card into the card slot？ We should insert the card

A.would

B.could

C.should

D.might

He should know how ______ the Internet. But if he doesn't, you'd better tell him.(use)

A.situations

B.conditions

C.positions

D.locations

A.how should I now

B.how I should now

C.why should I now

D.why I should now

A．look for

B．look up

C．look after

D．look down

How should an assistant do in a good shop？

A．Help you to choose a book.

B．Approach you with the inevitable greeting.

C．Keep himself staying away until you have finished glancing.

D．Show his great interest in selling book.

A、You should move around a bit.

B、You should do some acrobatics.

C、You should keep your hands by your side.

D、You should make as many gestures as possible.

In business, you should be able to how your competitors will act.

A．much more than

B．no more than

C．no less than

D．any more than

A.how

B.what

C.where

D.which