Ladies and gentlemen,please fasten your seat belts.The plane       .
#102007
A
takes off
B
took off
C
is taking off
D
has taken off
推荐题目
When a pencil is partly in a glass of water, it looks as if it _______. 
#104039
A
breaks
B
has broken
C
were broken
D
had been broken
The old worker has been fired and now a young man ______.
#99876
A
took place
B
has taken the place
C
takes place of him
D
has taken his place
His first novel       good reviews since it came out last month.         
#102637
A
receives
B
is receviing
C
will receive
D
has received
Some of the engines were not suitable for the work they were ________ for.
#103574
A
intended
B
to intend
C
intending
D
being intended