________ reducing pullution, man should pay more attention to conserving energy.
A.As well as B.As long as C.As far as D.As soon as
I enjoyed very much the three years ______ it had taken me to study English at school.
A. which B. what C. when D. how
Being examined twice a year, whether it is a car or a bus or a truck, is the rule that every driver _____ obey in this city.
A.shall B.can C.ought to D.need
On farewell party the foreign teacher gratefully _________ all the helps from all the school.
A.thank B.acknowledge C.claim D.declare
What do you think of the suggestion that she ________ at the meeting last week?
A.should make B.make C.made D.makes
______ in her most beautiful skirt, the girl tried to make herself ______ at the party．
A.Dressed; noticed B.Dressing; noticed
C.Dressed; noticing D.Dressing; being noticing
