—Have you ever been to Hong Kong?—Yes,I ________ there last month.A.went toB.have beenC.went
He walked ________ fast for us ________catch up with.
_______ my mother ________ my sister watches TV plays these days.
The nurse doesn't feel well today, _____ she still works very hard.
Tom has been in the factory _________he left school.
We didn't begin our group discussion ______ every member came.