1．-Sorry，I can't return your book today because I am only half way through it．
-____．I have plenty of other books to read．（　　）

2．

A.What were you doing at 11：00？ B.Did you see what they looked like？ C.Sure，go ahead. D.Yeah，I'm quite sure. E.You're welcome. F.Are you free？ G.You are lying.

There was a robbery（搶劫案） at Moon Apartments last night.Detective（偵探） Henry is talking with a doorman named Jack.
    Detective Henry：Excuse me，may I ask you some questions？
    Jack： （1）
    Detective Henry：Were you on duty last night？
    Jack：Yes，I was.
    Detective Henry： （2）
    Jack：The apartment building's power went off at that time.Just as I was walking to take a look，a group of people came in.I was afraid and hid in the room.
    Detective Henry： （3）
    Jack：Yes，one of them had blue eyes and a wide mouth.
    Detective Henry：Are you sure？
    Jack： （4） I could see it through the door.
    Detective Henry： （5）I think you are one of the robbers（劫匪）.

3．—Shall I close the window now before I leave？
— ________ ，I'll check it myself later.（　?。?/div>