When Jim’s mother came in, he _______ his homework.A.is doing B.has done C.was doing
Her mother asked her to keep the windows ____ and the door ____.A.open ; closed B.closed ; to open C.to open ; to close
—Remember this , children . _______careful you are,_______mistakes you will make .—We know , Mr. Li .
—Could I use your computer, Susan? —Sorry, I’m going to _______ it now. You can use it tomorrow.
You are not ____ to take part in the match. Please work hard and try to improve yourself.A. good enough B. Enough good C. well enough
_______ you tell me how I_______ get to the No.168 Middle School?