wyers have donated $ 50, 000 to _________ ourschool’s campaign “Help the Needy”, which was started by our former headmaster10 years ago

I wonder if you could go with me to the shopping mall.—Don’t disturb meI ______ my experiment report all the morning and haven’t finished yet

I don’t think it is good for animals to stay at zoos, ___________? —- I agree with you.

Animals that could not ____ themselves to thechanged environment died and those that could survived.

This is my dear teacher without_________help I couldn’t have passed that difficult exam.