It is difficult to ________ one twin from the other. They almost don’t ________ from each other.
| A．differ; distinguish | B．Distinguish; different |
| C．distinguish; differ | D．tell; different |
In some parts of the world, many people can’t have free ______ to the drinking water.
| A．chance | B．use | C．right | D．access |
The little boy still needed the ______ 20 dollars to do with the things ______.
| A．remaining; remained to be settled | B．remaining; remaining to be settled |
| C．remained; remained to settle | D．remained; remaining to settled |
Who was ______ spoke first at the meeting?
| A．that it | B．it that | C．it what | D．what it |
It was quite a long time ______ he really realized the serious situation.
| A．since | B．when | C．after | D．before |
Everybody in the village likes Jack because he is good at telling and ______ jokes.
| A．turning up | B．putting up | C．making up | D．showing up |