The construction of the gym caused much noise, it difficult for people nearby to sleep.
I will look into the matter as soon as possible.Just be patient ______ it.
—Tell Jack I will wait for him at the school gate.—______ he doesn’t come?
The shoe was discovered on the Chilkoot Pass, the famous trail used by people ______ gold in Alaska.
All his money had been ______,so he had to make a living by begging.
_________ the project as planned, we’ll have to work two more hours a day.