Well let you use the room ______you keep it clean and tidy .
| A．even though | B．on condition that | C． if | D．however |
Her display of bad temper completely _____ the party.
| A．harmed | B．damaged | C．spoilt | D．hurt |
Neither of them thought______ of him and they both tried to _____ him in his work.
| A．hamper;highly | B．support;ill | C．assist;/ | D．encourage;high |
They have been waiting for many hours to see the singer, but the airplane must have been _____.
| A．behind the times | B．behind schedule | C．ahead of time | D．in no time |
The _____ of the trees in the water was very clear.
| A．mirror | B．sight | C．reflection | D．shadow |
Today, housework has been made much easier by electrical _____.
| A．facilities | B．appliances | C．instruments | D．equipment |