Question

He has( )to do. A.a lot work B.a lot of works C.a lot of work D.a lot works

Answer 1

选C。
a lot of +可数或不可数名词
work 不可数， 很多工作：a lot of work.
整句意为：他有很多工作要做。
望采纳~

追问

He left ( )a cloudy afternoon. A in B at C from D on怎么做呀

追答

选D。
修饰具体的一天用on~

Answer 2

选B.
work是不可数名词.a lot of可以修饰可数名词也可以修饰不可数名词.是固定搭配的短语,意思是许多,句子翻译过来就是他有许多工作要做.因为是"许多工作",所以work要加s.

追问

He left ( )a cloudy afternoon. A in B at C from D on

追答

选D.
on a cloudy afternoon在一个多云的下午.表示"在某天"前面要用on.
例如:on Saturday night,on on this day等等.

Answer 3

A work不可数

追问

He left ( )a cloudy afternoon. A in B at C from D on怎么做呀

追答

A
具体到某天的上下午就用on，其它情况下用in。