_________we sleep together or apart is one of the biggest cultural differences, and only in western societies ______ the feeling that babies should sleep apart from their parents.
| A．No matter; it is | B．Whether; is it |
| C．No matter; there is | D．Whether; is there |
It was 300 hundred years ago _______ this historic temple was built by a wealthy Mandarin.
| A．that | B．when | C．since | D．before |
The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can ___ all foods are secure to us, but we are sure that the situation is turning for the better.
| A．acknowledge | B．guarantee | C．identity | D．clarify |
Going on a trip into ______ space must be quite ______ exciting experience.
| A．/ ; the | B．/ ; an | C．the; an | D．the; a |
—I am going to travel to Jamaica. Would you consider telling me about your experiences there?
—__. Let's discuss it over dinner.
| A．That's all right | B．Go ahead | C．By all means | D．It just depends |
– Where does your brother work, Jane?
-- In America. But he __________in China for 5 years.
| A．has been working | B．has worked |
| C．worked | D．was working |