You look upset. What’s the matter ?— I had my proposal ______ again.

Could I play computer games for a while, Mum? I’ve finished all my homework. —Oh, dear, if you _____.

It is believed that high achievers work toward personal standards of excellence ______ material rewards.[ ]

To enjoy the scenery,Irene would rather spend long hours on the train _______ travel by air.

The frighten boy lay in bed quietly, with his eyes____ on the wall, saying nothing.