It was very hard for me to make a_____,but I decided to leave my job.
He likes meat she likes vegetables. A. so B .while C. or
Air pollution does harm to people’s health. A. very B. little C. great
.I'm sorry you've missed the train .It _______ for 10 minutes . A. has left B. has been away from C.has been away
---- What are you going to do this weekend ? ---- I'm going to do some outdoor activities _______ it rains . A. If B. unless C. because
She has succeeded in _____ the problem. A. solving B.solve C.to solve