Our visitors decided to stay in our city for _____ two days as they wanted to have a look around.

（ ） we have all the materials ready, we should begin the new task at once.

The doctor tried to do an experiment to find out the （ ） of the medicine on the mice.

I appreciate （ ） the opportunity to study abroad two years ago.

Helen was much kinder to her youngest child than she was to the others,（ ） , of course, made the others jealous.

The idea sounds very good, but will it work in_____?

I’d rather you _____ make any comment on the issue for the time being.

（ ） does it take you to wash all the dishes?

Surprisingly， the accident did very little _____ to either of the cars.

In order to buy her house she had to obtain a_____from the bank.

The grain output of this year is much higher than _____ of last year.

Hardly （ ） how I passed the interview.