【单选题】
Fifteen minutes [] enough time for this exercise.
【单选题】
Because he hadnt finished his assignment, so he continued working in the classroom. Is this a complete sentence?
【单选题】
All people, [] they are old or young, have been trying their best to help those in need.
【单选题】
[] has been made clear to all of us, none of you are to come late to class from today on.
【单选题】
[] I really dont like art, I will find his works impressive.
【单选题】
He is a man who always makes his promises [] who never keeps them.
【单选题】
She could not stand the air-conditioner in the hall, [] she left in the middle of the performance.
【单选题】
Curiosty [] imagination are imporant qualities which help stimulate the discovery of many facts abut science.
【单选题】
There [] five trees and a well behind her house.
【单选题】
The last time we had great fun was [] we were visiting the Water Park.