问题

Mistakesdon’t justhappen , they occur for a reason. Find out the reason, and then making the mistake becomes_____ . [ ]

A: favourable
B: precious
C: essential
D: worthwhile

正确答案是：

同类题型

The chairman_________all the people tocontinue to deal with the global financial crisis

Look！How long________like this—Three weeks! It’s usual here that rain________without stopping these days of the year.

Opposite my school _______ a book store, _______ was built ten years ago

Remember to ask her to call me back. — !

Come and see me whenever________. [ ]