We only live once, but if we live a wonderful life, once is enough.— ________ I agree.

How long have you been in this office?—Just a few minutesMy cousins_______here together with me

I am really worried about _____ I have hurt his feelings, though I didn’t mean to.

It’s cold in here. We must have the fire　　　　day and night.

Successful people always make________preparations for any potential setbacks. [ ]