–Why, I couldn’t get you on the phone this morning.
--We _____ tennis in the yard when you called.
| A．must be playing | B．could be playing |
| C．must have played | D．must have been playing |
When I spent my holidays in Europe, I bought _______ vases.
| A．two lovely big old German | B．two lovely old big German |
| C．two German big old lovely | D．lovely big two old German |
The last thirty years _____ the greatest number of laws stopping our rights and progress．Until today we have reached a stage _______ we have almost no rights at all.
| A．saw; which | B．see; where |
| C．are seeing; in which | D．have seen; where |
— Don’t you agree with what he said?
—Yes，_______! It can’t be better．
| A．approximately | B．absolutely | C．relatively | D．partly |
Of all the plays performed recently, _______ is so impressive as “Hamlet” by Shakespeare.
| A．few | B．nothing | C．no one | D．none |
In Australia there are over 140 species of snakes, many of ______ are extremely dangerous.
| A．which | B．that | C．them | D．those |