We are considering ________ a letter to the headmaster.

[　　]

The flowers _____ sweet in the botanic garden attract the visitors to the beauty of the nature.

[　　]

A．to smell　　　B．smelling

C．smelt　　　　D．to be smelt

Is this village ________ you visited last year?

[　　]

I haven't written home ________ Christmas.

[　　]

Gibert ________ electricity, but Edison ________ the light.

[　　]

With the electricity ________, all the machines stopped.

[　　]

How ________ did you ________ cleaning your classroom that afternoon?

[　　]

I was about to leave ________ the telephone rang.

[　　]

We couldn't eat in the restaurant; ________ of us had ________ money on us.

[　　]

He sat in the classroom with his eyes _____ on the blackboard.

[　　]

A．fixed　　　　　B．fixing

C．were fixed　　 D．were fixing