The more one is ______the English-speaking environment, the better he or she will learn the language.
| A．exposed to | B．filled in | C．caught on | D．kept up |
, Obama’s health care reform hasn’t been accepted by all the people in the USA yet.
| A．Reasonable as may it sound | B．As it may sound reasonable |
| C．As reasonable it may sound | D．Reasonable as it may sound |
Food safety is important, so the government spares no efforts to prevent food pollution.
| A．highly | B．reasonably | C．strongly | D．naturally |
Recently, the Chinese government gave some examples of Dalai Lama’s visiting foreign countries had affected China.
| A．that | B．what | C．how | D．whether |
It have been Tom that parked the car here, as he is the only one with a car.
| A．may | B．can | C．must | D．should |
--- You ought to have given them some advice.
--- , but who cared what I said?
| A．So I ought to | B．So ought to I | C．So I did | D．So did I |