They were seriously______in an accident because they drove too fast.A．injuredB．damagedC．sp

They were successful ______ a communication satellite.A、launchB、to launchC、in launching

Cars moved very slowly in the 1920s, but they______move more quickly than in 1910.A．were t

AC and DC generators are similar in that they _____.A.both generate alternating voltagesB.

The Macphails and the Davidsons were in each others company because they _____.A．had simil

They were caught in the forest, and ______ made matter worse was that it kept raining cats

If I had realized that you were really serious in what you said ，I _____ more caref