--_____ you call back tomorrow?
--Of course I can.
| A．Can | B．Must | C．May | D．Need. |
I know a little about Thailand, as Ithere three years ago.
| A．have been | B．have gone | C．will go | D．went |
—So many problems! I’m tired.
—You should try tothem by yourself. You are not a child any longer.
| A．get into | B．get off | C．get on | D．get over |
—Would you likecamping with me?
—I’d like to. But I’m busymy homework.
| A．to go; to do | B．to go; doing | C．going; to do | D．going; doing |
Most students like the teachersunderstand them well.
| A．which | B．who | C．where | D．when |
—It’s difficult to get to the other side of the river.
—I think a bridgeover the river.
| A．should be built | B．should build | C．will build | D．has built |