--Can you tell me the way to the post office, please ?--_______, I don't knowA.Excuse me.B. SorryC. OK.
Daniel with his family ________ on Sunshine Road, Beijing.
We often go to school _______ 8:20 ________ the morning.
There is ___________ “s” and __________ “u” in _______word “student”.
–Could you tell me __________?
--- How was Jack last night? --- He was so ___________ that he fell ____________ quickly.