问题

I’m sure that if you make good use of your ______ time, your English will be improved in a short time.

A:extra
B:spare
C:common
D:former

正确答案是：

同类题型

When do you ______ Beijing .

The National Education Department says again school safety has set off alarm bells with frequent serious accidents _____ students got injured or even killed. [ ]

He is__________ outgoing student from _________university in America.

The rocket will travel to Mars _________ a speed of over 25,000 miles per hour.

I’ll tell her the news Lucy comes back tomorrow.