( ) There ______ three pencils in the pencil case.
A. is B. are C. Be
当你想知道一卷厕纸多少钱时，你问：
A. How much is a roll of toilet paper?
B. How much is a box of tissues?
C. How many rolls of toilet paper are there?
当你约Mary一起去买东西，可以说:
A.Let’s go hiking.
B.Do you want to go home?
C.Let’s go shopping!
你想知道Peter多久打一次羽毛球, 应问:
A.How often do you play soccer?
B.How often do you play computer games?
C.How often do you play badminton?
你到商店买东西, 服务员会有礼貌地对你说:
A. What do you want to buy?
B. Can I help you?
C. Here you are.
你想知道Tony打算寄信给谁,可以问:
A. Who are you going to send it to?
B. Is this letter yours?
C. What are you going to do?