Did you catch the first bus to school this morning？
No I didn't． It had started moving ______ I could get on it．（ ）
| A． |
after |
B． |
since |
C． |
before |
D． |
as soon as |
﹣The teenagers clean up the city park every Saturday．
﹣Sometimes small things can make a____________．（ ）
A．promiseB．conversation
C．differenceD．discussion
﹣ How about the third season of documentary Aerial China（航拍中国）？
﹣Great． I____________ it twice．（ ）
A．watchedB．watch
C．will watchD．have watched
﹣Have you heard about the book Learn English Tell China's stories？
﹣Of course! It's a____________ book because it helps English learners spread Chinese culture．（ ）
A．traditionalB．meaningful
C．socialD．private
﹣Many people have been back to their work____________ March 5th．
﹣Cities are brought back to life．（ ）
A．forB．inC．sinceD．during
﹣It's unbelievable that 5G technology is progressing in such a rapid way!
﹣____________ is impossible．（ ）
A．SomethingB．AnythingC．NothingD．Everything