单项选择题
A.prevented B.distracted C.angered D.upset
People appreciate（）with him because he has a good sense...
单项选择题People appreciate（）with him because he has a good sense of humor.
A.working B.to have worked C.to work D.having worked
Nobody knows how long and how seriously the shakiness（...
单项选择题Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.
A.put B.settle C.drag D.knock
I tried very hard to persuade him to join our group but...
单项选择题I tried very hard to persuade him to join our group but I met with a flat（）
A.accept B.agree C.refusal D.decline
