He made clear to his workmates that he would leave the company.
| A．it | B．that | C．them | D．this |
Liu Xiang’s breaking the record in the Asian Games was an exciting moment, ______ all of us will never forget.
| A．one | B．it | C．the one | D．what |
Too much pressure from study leads to sleeplessness, which _______ increases the risk of forgetfulness.
| A．in turn | B．in return | C．by chance | D．by choice |
______ which school was suitable for their son, the parents visited lots of different primary schools in the city.
| A．Finding | B．Being found | C．Found | D．To find |
When she is put in a situation _______ she has to make a remark on others, she usually changes the topic.
| A．that | B．when | C．which | D．where |
Lucy is a very optimistic girl. ______ she is faced with a difficulty, she always sees the bright side.
| A．Every time | B．Now that |
C．As soon as | D．On condition that |