They were surprised that a child should work out the problem ________ they themselves couldn't.
| A．once | B．then | C．While | D．if |
Those farmers who _________ move from place to place with their animals in the past have moved into new houses at last.
| A．could | B．might | C．would | D．should |
Excited by the news, Marie lay in bed with her eyes open while all her family were asleep.
| A．widely; soundly | B．wide; sound | C．widely; sound | D．wide; soundly |
It was several years I finally realized David had lied to me.
| A．when; that | B．that; when | C．before; that | D．until; why |
A net is to a fisherman ______ a gun is to a hunter.
| A．that | B．as if | C．what | D．how |
The second-hand car David bought the other day is as good as new; ______ it is in excellent condition.
| A．anyhow | B．besides | C．otherwise | D．therefore |