--I’m afraid a car is too expensive for me. --But more and more Chinese can         to buy it.

 Please       at once after all of you have finished your homework.

  China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.

 I stopped the car ____ a short break as I was feeling tired.

Whose guitar is this?   Susan plays the guitar. It must _______.