With the help of the new technology, you __ e-mail your friends by mobile phone.
| A．can | B．must | C．need | D．should |
---- What was wrong with you yesterday evening?
---- I ____ my homework when the light went off suddenly.
| A．doing | B．was doing | C．did | D．have done |
---- Your coffee smells good! ---- It’s from Canada. Would you like ____ ?
| A．it | B．some | C．this | D．little |
--- Could you tell us ______? ---- About two weeks.
| A．how often are we going to be away | B．how often we are going to be away |
| C．how long are we going to be away | D．how long we are going to be away |
The workers can ____ the waste things ____ something useful.
| A．make, into | B．change, into | C．make, in | D．change, to |
---- _____ ? ---- I am 1.7 metres tall.
| A．How old are you | B．How tall are you | C．How big are you | D．How are you |