After-class problem solving of Comprehensive Course of New Horizon English for Science and Technology edited by Ying-li Zhang

1-5 BBCBC

Two. 1. Read 2. Crap 3. Visitor 4. hosted5。 ourselves

Three. 1. is a symbol. It stands for number three. at least

Four. 1-5 TFTTF

Verb (abbreviation of verb)1-5acacc6-10abccb