单选题 This is a seven-floor shopping mall. Now we are on ( ) floor.

单选题 The volunteers working in the library seemed to ( ) the staff’s silent way to _____ them.

单选题 The managers discussed the plan that they would like to see ( )the next year.

单选题 Prof.Wang: ( ), Professor White? Glad to meet you. Prof White:How do you do, Prof.Wang? Glad to meet you, too.

单选题 They found ( )very hard to work out the problem.

单选题 — What happened to you? You don’t look good. — ( ). I just feel a little tired.

单选题 Lily:Hello,Zhang.How can I contact you? Zhang:You can ( ) me on WeChat.

单选题 ( )a cold afternoon in December, I saw a man walking around the house.