问题

It’s taking the trouble to explain a job fully to new employees.

A:worth
B:worthwhile
C:worthy
D:valuable

正确答案是：

同类题型

It’s difficult to live in a foreign country, if you can’t speak foreign languages.

The dictionary is being printed and it will soon ________

unhappy when he sold his guitar.After all,he_____it for a long time.

________useful advice the teacher gave us yesterday!

What ____ you _____ at that time lastnight