My friend showed me round the town，was very kind of him.
| A． | which | B． | that | C． | where | D． | it |
Only when he returned______ the truth.
| A．he found out | B．did he find out | C．he finds out | D．does he find out |
Some insects ______ the color of their surroundings to protect themselves.
| A．take in | B．take off | C．take on | D．take out |
It was such a_____ job that I really felt_____.
| A．tiring; tiring | B．tired; tired | C．tiring; tired, | D．tired; tiring |
The difficulty which we had _______ with the local people has now been removed.
| A．communication | B．to communicate | C．communicated | D．communicating |
He walked up to cupboard near the wall and reached out forsecond cup.
| A．the ; / | B．the ; a | C．a; a | D．/; a |