—When are you leaving for Guangdong?—My plane        at six.
#99376
A
took off
B
would take off
C
will take off
D
takes off
推荐题目
By the time Billy was 6, he         in the sea.
#101498
A
had already swum
B
was already swimming
C
has already swum
D
already swam
Three fourths of the homework _______ today.
#103523
A
has finished
B
has been finished
C
have finished
D
have been finished