“Isn’t it about time you _____ to do morning exercises？” “Yes, it is. Would you like to join us？”

With nobody her during the festival,the old lady felt lonely.[ ]

ssian rocket designer has died. Formany years, he ______ as an important assistant to the father of Soviet spaceprogram.

You __________ put your computer in your bedroom．

How do you say 15,858