When did China __ the first man-made satellite to circle the earth, do you know?

_____a dog. We don’t know_____ name.

Many women have to __________ their husbands for their livings .—- That may not be true . Many women choose to go out to work themselves .

rove your health, you can_________ 25—30 minutes three or four times a week to do simple things such as walking,cycling or running

Is there ________________ with your computer