Most train tickets are _________ for two to five days, depending on the distance you travel.
A: effective
B: valid
C: efficient
D: legal
A: effective
B: valid
C: efficient
D: legal
举一反三
- Two hundred miles __________ not a great distance in these days of rapid travel. A: is B: are C: were D: was
- You have to promise to spend the money in the most _____ way. A: necessary B: effective C: efficient D: positive
- We must stress that this offer is ______ for two days only because of the heavy demand for the limited supplies of these goods in stock. A: good B: valid C: open D: effective
- In most cases tickets are needed for your travel. There are _______ticket and return ticket
- May I have five second-class tickets please? A: Sorry. There are only four left. B: Will you go there by car or by train? C: The first-class is $256 each.