They have no idea at all ____.

A. what he is working on            B. what is he working on

C. what did he work on             D. what he is working

He just graduated from the university last month, so he_________ working experience.

A. lacks of             B. lacks                             C. is lacking of                    D. lacking in

After Jack had sent some e-mails, he _______ working on his project.

A. had started           B. has started   C. started          D. starts

They have no idea at all ____.

A. what he is working on            B. what is he working on

C. what did he work on             D. what he is working

根据对话情景和内容，从对话后所给的选项中选出能填入空白处的最佳选项。选项中有两个为多余选项（注意：如选E在答题卡中涂黑AB;如选F在答题卡中涂黑AC;如选G在答题卡中涂黑AD;）

M:  Remember Paul from our old school?

w:  1. 

M:I met him at the checkout．n the supermarket the other day, and he was queuing right in front of me．

w:   2.___

M: Well, he started out as a manager in charge of sales．____3.__ He teaches commercial English there.

W: Why did he get this new job?    4.   

M: Yes．It is tiring, though． After all, he has got a family to take care of

W:I see．____5. __

M: Exactly!

A．Isn't he working in a company as a sales manager?

    B．Then he transferred to work for an international giant．

    C．Of course I do．

    D．But he ended up getting a job at the local university．

    E．Isn't it interesting to travel around as a sales manager?

    F．Why not?

    G．Sometimes it is a painful choice, career or family．