Ladies and gentlemen, please fasten your seat belts. The plane ________.
| A．takes off | B．is taking off | C．has taken off | D．took off |
. Mike’s newly-bought car ______ in the great fire last month.
| A．was burnt down | B．was burned up | C．burned down | D．burned up |
It was a great ______ for him to be pleasant to people he didn’t like.
| A．trouble | B．effort | C．sorrow | D．horror |
We are using ___ of law ______ great effect.
| A．the arms; in | B．the weapons; of | C．the weapon; with | D．the arm; by |
The man needed _____ for one of his legs was badly injured.
| A．to look after | B．looking after | C．look after | D．being looked after |
I’ll spend the evening ______ in your room waiting for the thief to arrive.
| A．locking | B．in locking | C．being locked | D．locked |