—Which flight ________ ? —I want to catch the 13:00. 
#104768
A
you are to catch
B
are you catching
C
do you catch
D
have you caught
推荐题目
— Have you graduated from collage?— Yes, ________.
#101444
A
I studied French for two years.
B
I have been studying French.
C
I have studied French for two years.
D
I had studied French for two years.
Since Jack was laid off from his job three months ago, he       a new one, but without luck.
#100379
A
looked for
B
bad looked for
C
is looking for
D
has been loking for
Drivers must stop when the traffic lights _____ red.
#99314
A
turn
B
will turn
C
turned
D
were turning