It sounds like something is wrong with the car's engine.________，we'd better take it to the garage immediately.(2011·江苏，33)
A．Otherwise B．If not
C．But for that D．If so
________ a strange plant！I've never seen it before.(2011·辽宁，33)
A．Which B．What C．How D．Whether
—Why does the lake smell terrible?
—Because large quantities of water ________.
A．have polluted B．is being polluted
C．has been polluted D．have been polluted
(2011·江苏)The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.
A．suggest B．suggests C．suggested D．suggesting
(2011·湖南)One－third of the country ________ covered with trees and the majority of the citizens ________ black people.
A．is；are B．is；is C．are；are D．are；is
The basketball coach，as well as his team，________ interviewed shortly after the match for their outstanding performance.(2012·陕西)
A．were B．was C．is D．are
