Mr. Smith is quite generous and warm-hearted, a person______ you can turn when having trouble.
China’s population is expected to increase to about 1.5 billion in 2040, _____ it will start to decline slowly.
I have visited a lot of different places and stayed in lots of different hotels, but none of them _____ this one.
—Why does the lake smell terrible?—Because large quantities of water______.
—We had ______ really damp October this year.—I can’t remember ______ autumn when it rained so much.
If you find yourself ______ no one will help you, please call me.