cometo活跃起来-优题课

come to ______ 活跃起来

科目英语题型单词拼写难度中等

A surgeon is a doctor who does __________（外科手术）.

The fuel that pa machine provides the energy that the machine needs in order to work.

He has a good __________（掌握，精通）of English.

Oshopping is cheap and convenient.

The police were called in, but they could not __________（逮捕）any-one.