---How can I keep healthy?---I think you ought to_________.A.do more exerciseB. doing more exerciseC. exercising more
The woman asked the man _______.
—Granny, the school trip was very exciting but a little tiring. —Oh, could you tell me__________?
Could you tell me _______?
-----Could you tell me how long ________________? ------ About three days.
I didn’t know .