The value of life lies not in the length of days but in the use we ____ them.
| A．make of | B．make from |
| C．make up | D．make into |
The man we followed suddenly stopped and looked as if _________ whether he was going in the right direction.
| A．seeing | B．having seen | C．to see | D．to have seen |
-- How can you ________ that he is from the North.9 -- Simply by his accent.
| A．get to know | B．say | C．realize | D．tell |
Whenever I go to Shanghai, _________ is quite frequent, I will visit my former teacher.
| A．which | B．where | C．it | D．as it |
It is fairly common in Africa for there ___________ a group of expert musicians surrounded by others who also join in the performances.
| A．being | B．to be | C．be | D．is |
There is a feeling in me _______ we will never know what a UFO is.
| A．that | B．which | C．of which | D．what |