The president has told his friends that he is sick but will not admit it _____.

It was clear that the small grocer was _____ people he owed money to.

——Let’s go skating after school.
——_____ Call for me at any time.

____ time going on, our school becomes greener and more beautiful.

Nowadays, scientists are working hard to find a best way of treating addictions __________ drugs.

I am not particular about laptops, but________, I prefer IBM to Sony.

— When will you leave for Paris for a visit?
— _______next month.

If there is any change about the time of the meeting, please inform us ____．

Dickens visited America in 1842, publishing American Notes on his return and ____ his experience in another book．

. Many people are quite at a loss as to what to do _______ a real fire.