Students are supposed _______ school uniforms on school days.
A. wear B. to wear C. wearing
Cai Qin has given concerts all over China and the tickets have always_______.
| A．sold out | B． set out | C．set up | D．seen off |
---Must we finish the work all day?
---________. You can do it tomorrow.
| A．Yes, you must. | B．No, you mustn’t. |
| C．No, you needn’t. | D．Yes, you may. |
Mary noticed ________ with the English way of life.
| A．new something | B．anything new |
| C．something interesting | D．interesting anything |
---________is the weather like in America in winter?
---It’s snowy.
| A．What | B．How | C．Where | D．Why |
Its population is almost ________ of the world’s population.
| A．one two | B．two thirds | C．fifth three | D．one five |