Many of them turned a deaf ear to his advice, ________ they knew it to be valuable.
A.as if | B.now that | C.even though | D.so that |
It is vital that every piece of equipment ________ checked before the experiment.
A.would be | B.must be |
C.should be | D.might be |
Stamp collectors collect stamps relating to a particular theme. Sport lovers may try their best to find Olympic stamps ________ by various parts of the world every four years.
A.publishing | B.being published |
C.published | D.having published |
Bob spent six months alone on his boat. _____, Ann took care of the children on her own.
A.However | B.Also | C.Meanwhile | D.Besides |
Mr. Smith _____ the idea that the welfare system should be improved as soon as possible.
A.contributed to | B.adjusted to |
C.attended to | D.subscribed to |
Peter _______ annoyed on the phone, but I really had no idea what was wrong.
A.proved | B.sounded | C.appeared | D.fell |