—I want to know ______. —Let me show you the way.A. where I can buy books B. where can I buy books C. where books can I buy
---- Could you please tell me _______? ---- Yes. They are playing in the park.
There goes the bell. Hurry up, _______ you’ll be late for class.
---- Look! A man is cutting a tree on the moon. ----It ______ be true. The teacher said there is no air on the moon.
All of us went to the park ______ Bob. He had to look after his sister.
I wonder when they _______ for Beijing. I will go to the train station to see them off when they _______.