1.Natural resources should be saved because they___________(limit) 2.The students are supposed____________hard for the next exam(work) 3.Henry had no difficulty_________uses to driving on the right when he________to vietnam(get/come) 4.I talked to the boy whose kite_______in a tree(catch) 5.However smart he was, he______the chance of going to the university.(deny) 6.Before she graduated last may, susan________a position with a law firm.(already offer) 7."if you_____________satisfied with this product, pls return in within a week"(be) 8. I saw mary__________the road and_into the post office (cross/disappear) 9.These regulations were made_____________children (Protect)