b is not very rewarding ________ money, but heis getting valuable experience from it.

While shopping, can you resist ________to buy anything that you don’t really need?[ ]

Tom ______ be in his office so late that night. I saw him with his friends in the restaurant .

You didn’t watch the fashion show last night.—___________. But I missed the beginning.

He is so kind a person that he takes a friendly attitude_____us