Lei Feng is always ready to help others when they are in trouble and he never _______ their request.
| A．turns up | B．turns over | C．turns in | D．turns down |
Raising environmental awareness was the aim of our art exhibition ____ last week.
| A．to hold | B．held | C．having held | D．being held |
_________ he was, he still went on with his work.
| A．Tired although | B．Tiring as | C．Tired though | D．While tired |
It was the training ________ he had as a young man ________ made him so excellent.
| A．what; that | B．that; which | C．that; what | D．which; that |
Not until she took off her dark glasses ________ she was a famous film star.
| A．I realised | B．that did I realise | C．did I realise | D．that I realised |
It is ten years since we ________ each other last time.
| A．see | B．have seen | C．saw | D．had seen |