Today computers ______in both cities and towns.
| A．were using | B．are used | C．were used | D．are using |
Let’s go________this afternoon.
A. shoping B. shopping C.shop
I saw a boy_______in the yard.
A. play B. playing C.played
I’d like a big bowl of noodles for 4yuan.
A. of B. for C.to
They think seaweed food is food for_____________.
A. healthy B. health C. healthily
The number of students __________fifty.
A. is B.are C.be