. The temperature can fall to –50°._____ is, 50°below freezing point.
| A．Which | B．It | C．This | D．That |
--- Would you please give me a hand and take the bookcase upstairs? ----________.
| A．With pleasure | B．My pleasure | C．That’s all right | D．Don’t hurry. |
It ‘s such a big room , If you don’t speak loud enough , you’ll never make yourself .
| A．hear | B．hearing | C．to hear | D．heard |
In this park , sparrows often fly down from trees to eat from visitors’hands. They are used to in this way .
| A．be fed | B．feed | C．having fed | D．being fed |
They started off at about 5 o’clock in the morning . They should there by now .
| A．arrive | B．have been arriving | C．have arrived | D．be arriving |
Have you ever been to the square was built last year?
| A．which | B．where | C．when | D．what |