After AlphaGo defeated human Go champion, we started to worry about whether AI(人工智能)_________the place of human some day in the future.
A. took B. has taken
C. is taking D. would take
All the judges liked the seven-year-old girl’s singing. Her voice sounds__________
A. friendly B. clearly
C. lovely D. rarely
As a local journalist, Hans ________big events of the city every day.
A. will report B. reports
C. is reporting D. Reported
A:__________I wear a tie to Janet’s birthday party?
B:No,you needn’t. But do remember to bring her a present.
A. Must B. Should C. Need D. Can
Hans is the second _______boy in his class.
A. tall B. taller C. tallest D. the tallest
My aunt is a little nervous about her first to Canada. She has______ been abroad before.
A. never B. sometimes
C. often D. always
