We must do something to stop people from ______.
| A．to throw litter about | B．to throw litter into |
| C．throwing litter about | D．throwing litter into |
Last night the order came that all those infected with the deadly disease ________.
| A．was separated | B．should separate | C．be separated | D．were separated |
It is in the west of China _____ there is no doubt _____it is going to rain tomorrow.
| A．where; whether | B．that; that | C．that; whether | D．where; that |
----There is no more than one washing machine of that kind left in the shop. What about going and buying ____?
----No, I prefer to find _____ in other supermarkets.
| A．it; it | B．one; it | C．it; one | D．one; one |
---- ____________ he has known the good news.
---- ______ is no wonder he is so excited.
| A．It is likely that; It | B．It is probably that; There |
| C．He is likely that; There | D．He is possible that ; It |
The beggar has no money with which to buy food. However, no passers-by
______ him.
| A．have mercy on | B．are at the mercy of |
| C．show mercy on | D．to be merciful to |