______ in his studies, he didn't know that all the others had left.
It ____for the whole weeks. The city will be flooded if it ____ soon..
Listen! His family must be quarreling, _____?
.—Would you mind if I opened the window? — ____. In fact , I was going to suggest you _____it.
Dr. Peter Spence, ______headmaster of the school, told us , “______fifth of pupils here go on to study at Oxford and Cambridge.”
----Look at the dark clouds outside. please take the umbrella with you.---