You really don’t need to buy another computer ________ you have already got one.
| A．while | B．before | C．though | D．when |
It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.
| A．that; that | B．where; where | C．that; where | D．where; that |
A ______ person always tries to finish the job, no matter how hard it is.
| A．stubborn | B．determined | C．reliable | D．remarkable |
Leave your key with your neighbor _you lock yourself out one day.
| A．as long as | B．in case | C．even though | D．as if |
You should report any incident, ______ minor it is.
| A．whatever | B．whenever | C．however | D．wherever |
Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.
| A．whenever | B．by the time | C．the moment | D．ever since |