These foreigners are practicing _____Chinese.
A.to speak B.speaking C.speak D.speaks
In his e-mail, David promised _________his daughter during her stay in Japan.
A.visiting B.visit C.visited D.to visit
Miss Chen, my dear English teacher, often encourages me ______the challenges in my study.
A.face B.faces C.facing D.to face
You can’t move in right now. The house _________.
A. has painted B. is painted
C. is being painted D. is painting
(易错题) When all these bridges ________, travelling will be easier.
A.will be built B.are built C.will build D.build
I think AI (人工智能) in many fields will to help us solve many problems in the future.
A.used, be used B.is used, be used C.used, use D.is used, use
