The boy is waiting ____ his sister and they will go to the hospital to wait ____ their sick mother.
A.for,on | B.on,for | C.for,for | D.on.on |
When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life.
A.were hanging | B.had hung | C.hung | D.would hang |
. Gun control is a subject Americans have argued for a long time .
A.of which | B.with which | C.about which | D.into which |
It is generally said that man’s desire is hard _______.
A.to satisfy | B.to be satisfied | C.to met | D.to being satisfied |
Every evening after dinner, if not________ from work, I will spend some time walking my dog.
A.being tired | B.tiring | C.tired | D.to be tired |
Doctors recommend that all children ________ vaccinated against measles(麻疹).
A.should | B.could be | C.are | D.be |