Over the past decades, sea ice_______ in the Arctic as a result of global warming.
A. had decreased B. decreased
C. has been decreasing D. is decreasing
Our teacher suggests English every day to improve our spoken English.
A. practising to speak B. to practise to speak
C. to practise speaking D. practising speaking
— How about Thursday morning? Say, 10 o’clock?
— OK. I’ll be expecting you then.
A. Is that right? B. That’s settled.
C. How are you doing? D. No way!
His sister left home in 1998, and_______ since.
A. had not been heard of B. has not been heard of
C. had not heard of D. has not heard of
— I went to see a film yesterday.
— Oh, did you? .
A. So I did B. I did so C. So do I D. So did I
With so many friends me, I had no difficulty finishing the work on time.
A. to help B. helped C. helping D. have helped
