The light is still on. They ___ to turn it off when they left the room.
A.must forget | B.could have forgotten |
C.may forget | D.must have forgotten |
Father made a promise ___ I passed the examination he would buy me an MP6 player.
A.that | B.which | C.whether | D.that if |
There are so many viruses on the Internet. If ____ accidentally, the viruses may make
your computer break down.
A.downloading | B.to be downloaded |
C.downl![]() |
D.being downloaded |
In front of our house _______ we used to swim.
A.a river lies that | B.does a river lie where |
C.lies a river which | D.lies a river where |
We were finally able to make the customers _______ of the quality of the refrigerator.
A.to convince | B.convincing | C.convince | D.convinced |
He expects to _______ the business when his father retires.
A.![]() |
B.make sense | C.take over | D.make up |