After the teacher called him into the office, the boy admitted _______ in the test.
.Hawking became world-famous in _______.
It is thought that one billion people I the world, _____is half the word’s workers, earn their living by farming.
I think whoever makes____ contributions to the company than the others should get____income.
Our teacher is always busy preparing lessons until 11 o’clock at night, _____we students have gone to sleep.
The news _____is spreading around the airport is _____a heavy storm is coming.