The CDs are on sale! Buy one and you get ______ completely free.
| A．other | B．others | C．one | D．ones ks |
In the middle of the night, we ______signals for help from another ship.
| A．picked out | B．picked up | C．picked on | D．picked at |
Threehourswithyourgirlfriend_____tobeashorttime.
| A．seem | B．seems | C．isseeming | D．hasseemed |
One of the few things you __ _ say about English people with certainty is that they talk a lot about the weather.
| A．need | B．must | C．should | D．can |
Whenever I met him, ____ was fairly often, I like his sweet and hopeful smile.
| A．what | B．that | C．which | D．when |
It was not until dark _____he found _____he thought was the correct way to solve the problem.
| A．that; what | B．that ; that | C．when; that | D．when ;what |