—Where is your father?—He _________ Beijing on business. He will be back soon.A. has gone to B. has been to C. has been in
IthinkI’m_____unhealthy.
---What’sthematter_______Tom?---Hehasahighfever.
Ilovejunkfoodverymuch,butItrytoeat___onlyonceaweek.
Thisis_____unhealthy lifestyle.
Billy: I’ve been fixing the computer for over three hours, but it still doesn’t work. Nana: Why don’t you take a rest and try ? Maybe you’ll do better then.