Did you watch the football match at 8:30 last night—— No. I with my sister at that time.

I have to ______ now It’s time for class—- OK, I’llcall back later

There is still so much to discuss. ________, we shall return to this topic in tomorrow’s class.

They were surprised that a child should work out the problem____ they themselves could not

As a poet, Hai Zi used to write many romantic poems ______ people usually attach positive and hopeful meanings.