______ nobody else at hand, I had to carry the heavy box to the eighth floor by myself.
13.Busy _______ she is, Rita ______ two hours every Sunday afternoon to spend with her son.
12.One of the best ways for people to keep fit is to ________ healthy eating habits.
11.Christmas is ________ special holiday when ________ whole family are supposed to get together.
Get up early, you will be late!
–Hi, Terry, can I use your computer for a while this afternoon? –Sorry. ______.