The flu is believed____ by viruses that like to reproduce in the cells inside the human nose and throat.
A.causing | B.being caused | C. to have caused | D.to be caused |
--_____ of the population of the city _____workers?
--About 60 percent.
A.What; is | B.What; are | C.How much; is | D.How much; are |
Although he is considered a great writer, _____.
A.his works is not widely read |
B.but his works are not widely read |
C.however his works are not widely read |
D.yet his works are not widely read |
He advised the fanners to choose the best seed-heads,____ that had the best colour.
A.the one | B.the ones | C.one | D.ones |
Forgive him, please. I don't think he broke your mirror____.
A.with care | B.on purpose | C.for fun | D.with aim |
The weather in Britain is ____too cold in winter___too hot in summer.
A.either; or | B.both; and | C.neither; nor | D.or; and |