21．—Would you _____ a game of table tennis, Cathy?
—I’d love to, but I still have piles of homework to do.
A．care for B．care about C．care to D．take care of
22．—Does David often come to school ____ bus?
—Yes, but sometimes he comes ____ his father’s car.
A．take; in B．by; by C．by; in D．in; with
23．—What do you want to do next? We have half an hour until the basketball game.
—_____. Whatever you want to do is fine with me.
A．It just depends B．It’s up to you
C．All right D．Glad to hear that
24．Scientists say it may be five or six years ____ it is possible to test this medicine on human patients.
A．since B．after C．before D．when
25．We were in _____ when we left that we forgot the airline tickets.
A．a rush so anxious B．a such anxious rush
C．so an anxious rush D．such an anxious rush
26．The number of the stamps _____ limited, so a number of people _____ to have a look at them.
A．are; want B．is; wants C．is; want D．are; wants
27．Why don't you put the meat in the fridge? It will _____ fresh for several days.
A．be stayed B．stay C．be staying D．have stayed
28．—Mr. Johnson, would you have some more ice-cream?
—No, thanks. It’s very good, but I have to _____ my weight, you know.
A．remain B．watch C．notice D．care
29．_____ meet his sister at the airport, he had to get up early.
A．So as to B．In order to C．So that D．In order that