【判断题】
Words with hyphens can be divided at random.
【单选题】
It was Monday morning. [] Li Leis grandfather was ill.
【单选题】
There was only one thing to do [] study till dawn.
【单选题】
If a book is in English, [] means a slow progress for you.
【单选题】
As I turned around, I heard a loud noise [] for the bookshelf had collapsed.
【单选题】
The computer could calculate much faster and better than man [] however, it could not drink.
【判断题】
A comma is used to introduce an explanation, a summary, or an appositive.
【判断题】
A single dash sets off a parenthetical element.
【判断题】
A semicolon is used to introduce a quotation or a statemetn.
【判断题】
The semicolon is used between two coordinate clauses which are not linked by a conjunction.