Bob promises to join in the football match ______ he has to help his parents on the farm. A. if B. as C. unless
Mr. Green likes __________ very much and he goes swimming every day. A. collecting stamps B. sports C. music
_______ called you just now, but he didn’t tell me his name. A. Somebody B. Anybody C. Nobody
---John, my computer doesn’t work. --- Why not ask Mr. Liu __________ it? A. checking B. to check C. to buy
Mother doesn’t ______________ me watch TV on weekdays. A. inviteB. keepC. let
The pandas were lovely and we couldn’t help ______________ them. A. watchingB. to watch C. to look for