is your family going to BeijingExpo（北京世园会），Lucy？
In August．（ ）
| A． |
How |
B． |
When |
C． |
Where |
D． |
Why |
Many shops in China_____to shut down as a new law against ivory（象牙）trade came into effect on January 1st， 2018．（ ）
A．orderedB．didn't order
C．were orderedD．weren't ordered
After long years of war， many people in Syria are homeless． I think it important_____ a peaceful world．（ ）
A．buildB．not build
C．to buildD．not to build
﹣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