The fact has worried many scientists _____ the earth is becoming warmer and warmer these years.
| A．which | B．that | C．as | D．what |
I'm going to Europe on vacation together with John if I ________ find the money.
| A．can | B．might |
| C．would | D．need |
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
| A．wouldn't | B．shouldn't |
| C．couldn't | D．mustn't |
When I was a child, I ________ watch TV whenever I wanted to.
| A．should | B．could |
| C．must | D．need |
The little girl is walking along the beach, happy and joyful, ________ bending down to pick up a beautiful seashell.
| A．approximately | B．regularly |
| C．apparently | D．occasionally |
Whatever background you come from, you can be ________ successful with your hard work like many others.
| A．equally | B．merely | C．mostly | D．hardly |