Mary decided a new computer.
A. buy B. buys C. buying D. to buy
One of the girls a watch like this.
A. have B. has C. there are D. there is
--Be careful when you walk the street.
--OK, I will.
A. through B. across C. over D. above
--How do you go to work?
--I usually take bus.
A. the,a B. /,a C. a,a D. the,/
--What's in the cupboard?
--A few ,but little .
A. apples, coffee B. coffee, apples
C. apple, coffees D. coffees, apple
1.--________ _________（多长）is the river?
--It's about 3,000 kilometres.
2.They could travel at_______ ________ ________(两倍多) the speed of sound.
3.________ _________(确保)that you get there in time.
4.They walked for a while and_______ ________ ________（停下来休息）a rest.
5.The box is________heavy for me________（太……而不能……）carry.
