—I’m thinking of the test tomorrow.I’m afraid I can’t pass this time.—________!I’m sure you’ll make it.
—Which of the two computer games did you prefer? —Actually I didn’t like .
—I’m going to Thailand this summer holiday. —
She always come to our help when we get into trouble ____ she is very busy.
He has three brothers, ________is a doctor.
As teenagers of the 21st century, we should be ready to _____ the challenge of society.