Ladies and gentlemen,please fasten your seat belts,the plane______.
#101863
A
takes off
B
is taking off
C
is going to take off
D
is to take off
推荐题目
The book was received so eagerly that it _____ on the first day.
#104197
A
sold up
B
was sold up
C
was sold out
D
sold out
By the end of last year, another new gymnasium________ in London. 
#99201
A
have been completed
B
were completed
C
had been completed
D
was completed