TwoThousandUnderTheSeaisafamou-优题课

Two Thousand Under The Sea is a famous science __________ (小说).

科目英语题型单词拼写难度中等

我认为他住在那里，但我不敢肯定。
I think he lives there but I couldn't say __________ __________.

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.