Do you know _______ the plane takes off?
Do you know _______ the plane takes off?
Do you know when the plane takes off?为什么不用将来时when the plane
You should () when the plane takes off
Do you know when the plane ()?
the plane takes off at xx time.
Plese what time the plane takes off.
You should get to the a____ before the plane takes off.
i think the plane takes off at seven,but you'd better phone
Don't you smoke until the plane __ off.A takes b has taken 为
英语句子时态问题.the plane will take off at 9:00the plane takes off
The plane takes off at 8 o'clock The plane will take off at
do you know why he is leaving?his plane took off at 11:30.为什