He hurried to the booking office only_________that all the tickets had been sold out.
| A．to tell | B．to be told | C．telling | D．told |
After the earthquake, very little of the city of Tangshan.
| A．was remained | B．stayed | C．remained | D．was stayed |
When I was a child, I ______ watch TV whenever I wanted to.
| A．should | B．could | C．must | D．need |
She says that she’ll have to close the shop ________ business improves.
| A．if | B．unless | C．after | D．when |
Mother always complains that children _______ their shoes very quickly.
| A．find out | B．wash out | C．wear out | D．set out |
There are a small number of people involved, possibly ______twenty.
| A．as few as | B．as little as | C．as many as | D．as much as |