I t worried her a bit _____
_____ her hair was turning grey.
| A．while | B．that | C．if | D．for |
The athlete’s years of hard training ______ when she finally won the Olympic gold medal.
| A．cast down | B．got through | C．paid off | D．faded out |
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 |
I ______ to go on a diet, but the dishes at the party were simply impossible to resist.
| A．had intended | B．am intending | C．intend | D．could intend |