________ around the Tian An’ men Square, the tourists from Iceland were taken to visit the Palace Museum.

A．Showing

B．Having shown

C．Being shown

D．Having been shown

Nowadays teachers feel they can’t help every student ________ suitable reading materials, so they encourage them __________ English on the Internet.

A．finding; learning

B．to find; learning

C．finding; to learn

D．to find; to learn

The living room is clean and tidy, with a dinning table already ________ for a meal to be   cooked.

A．laid

B．laying

C．to lay

D．being laid

---What do you think made her so upset?
---_____________ her  hometown.

A．As she missed

B．Missed

C．Because of missing

D．Missing

________ is as much an art as it is ________ science.

A．Cloning; a

B．Clone; /

C．To clone; the

D．Cloning; the

She was surprised to find the house _____ into when she went back home.

A．broke

B．broken

C．break

D．breaking

Do you know the name of the play___ in the hall now?

A．to be put on

B．being put on

C．put on

D．putting on

It’s a bad habit to leave the work ______.

A．undo

B．undone

C．undoing

D．done

Please don’t forget him. He is one of _______.

A．those invited

B．invited those

C．those inviting

D．inviting those

The salesman scolded the girl caught ________ and let her off.

A．to have stolen

B．to be stealing

C．to steal

D．stealing