for two hours中的for代表什么意思?
tow hours在什么情况下用for two hours
ask the teacher for it中的for代表什么意思?
对for two hours提问,用什么词
in two hours 和for two hours的区别
be sure 和 for two hours
Mr.Smith ___here for about two hours.
The baby _____(sleep) for two hours
Two hours _____enough for us ,he said
"Two hours ___enough for us,"he said.
I play football for(a )two hours
two hours - enough for me to
She has been waiting for you for two hours.