They sold their house for only 10,000 dollars, so the buyer got a wonderful _________ .
| A．cost | B．bargain | C．worth | D．value |
By this autumn they _____for ten years .
| A．will have married | B．will have been married |
| C．have been married | D．will be married |
The child was ____to go fishing alone because it was dangerous .
| A．allowed | B．required | C．forbidden | D．encouraged |
You ______ be hungry already — you had lunch only two hours ago!
| A．wouldn’t | B．can’t | C．mustn’t | D．needn’t |
The old tower must be saved, _______ the cost.
| A．however | B．whatever | C．whichever | D．wherever |
The book was written in 1946, ____the education system has witnessed great changes .
| A．when | B．during which | C．since then | D．since when |