9. Mary clapped her hand over her mouth _______ she realized what she had said.
Peter received an e-mail just now ______ his uncle would come to see him.
It’ll be only a few days ______ the Spring Festival comes round.
______ with it, the worried person at last smiled.
There is no doubt ______ they did a completely bad job at that very moment.
Playing computer games ______ much of his time.