帮忙看看英语语法题

题目

帮忙看看英语语法题
1.____must be no nore time wasted.A It B That C There D They
2.-How beautiful your garden looks in this dry weather!
-Well,we've just had the flowers______a short time ago.
A of being waterd B watering C watered D to be watered
3.After the teacher gave an axplanation ,Jane,_____her mistake ,corrected her answer.A realizing B realized C having been realized D she realized
4.-How many times have you seen the actor?
-Oh,_____,I think.
A hundreds of times B a hundred of times C hundred times D hundreds times
答案是什么,最好能保证正确率,

答案

ACBB