Ladies and gentlemen, please fasten your seat belts. The plane ______..
#99022
A
take off
B
is taking off
C
has taken off
D
took off
推荐题目
The decorations were so lovely that they _____ in a short time. 
#101213
A
sold out
B
has been sold out
C
were sold out
D
were selling out
---Do you know what Lily is doing?--- She _______ in the office by a reporter from WWF.
#103426
A
is interviewed
B
was interviewed
C
was being interviewed
D
is being interviewed