I want to know ________you will visit Chengdu on vacation A.where B.who C.if .
— May I put my car here? — No, you _______. Put it over there, please.
Is there _______ useful on science? I’m looking for information about this topic.
Which is __________, traveling by air or by train?
Nancy is a good student. She studies hard _______ she also likes to help others.
—When do you usually get up on weekends, Lucy? — _______ eight o’clock in the morning.