—Are you going to the concert next week?—I’d like to, but I ______ an exam then.
I have no idea ________ he will come back.
The rescue team made every ________ to find the missing mountain climber.
We are faced with a problem ________ we don’t have enough natural resources.
The doctor are trying to reduce the patient’s fear ________ he would die of the disease.
There is a strong probability ________ Mr Brown will be promoted to a higher position.