﹣Yuan Longping， a famous Chinese scientist， is now doing research on sea rice．
﹣If farmers____ start planting rice in salty water， China's food supply will surely rise．（ ）
A．canB．can'tC．mustD．mustn't
﹣I saw the light of your room was still on at two o'clock last night．
﹣Oh， I ____a football match of the Russia World Cup．（ ）
A．watchedB．was watched
C．am watchingD．was watching
﹣What do you think of the movie Operation Red Sea？
﹣Wonderful． I've never seen a movie_____than it．（ ）
A．more excitedB．more exciting
C．most excitedD．most exciting
It is said that the number of forest Parks in Guangdong_____to more than 1，000 so far．（ ）
A．increaseB．increased
C．has increasedD．will increase
China is getting more and more independent of Western technology， _____ it is leading in many fields， such as the self﹣driving car industry．（ ）
A．/B．orC．butD．and