It’s hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.
| A．situation | B．condition | C．affair | D．matter |
_________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 |
____ they are closest friends is not clear though they live together.
| A．That | B．If | C．What | D．Whether |
A tunnel was built under _____ was a lake a year ago.
| A．where | B．which | C．that | D．what |
—Mary, don’t you believe your sister?
—Yes. I believe _____ she says.
| A．however | B．no matter how | C．whatever | D．no matter what |
Today impressionist paintings are accepted as the beginning of ______ we call “modern art”.
| A．which | B．what | C．that | D．how |