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________ which university to attend，the girl asked her teacher for advice.

A. Not knowing B. Knowing not

C. Not known D. Known not

The airport ________ next year will help promote tourism in this area.

A. being completed B. to be completed

C. completed D. having been completed

I got to the office earlier that day, ________ the 7：30 train from Paddington.

A．caught B. to have caught

C. to catch D. having caught

They might just have a place ________on the writing course—why don't you give it a try?

A. leave B. left

C. leaving D. to leave

The driver wanted to park his car near the roadside but was asked by the police ________．

A.not to do B. not to

C. not do D. do not

The sunlight is white and blinding, ________ hard－edged shadows on the ground.

A. throwing B．being thrown

C.to throw D．to be thrown

When I was little, my mother used to sit by my bed, ________ me stories till I fell asleep.

A．having told B．telling

C．told D．to tell

The engine just won't start.Something seems ________ wrong with it.

A．to go B．to have gone

C．going D．having gone

Let those in needthat we will go all out to help them.

A. to understand B. understand

C. understanding D. Understood

______how others react to the book you have just read creates an added pleasure.

A. Hearing B. Hear

C. Having heard D. To be hearing