单选题 ___(　　)___ is no doubt that overwork and much worry caused his illness.

单选题 We are sorry to know that they did not succeed ___(　　)___ the project for lack of necessary funds.

单选题 My brother and I managed to ___(　　)___ with each other and we soon made peace after a week’s quarrel.

单选题 Don’t worry too much, Jane. Your son ___(　　)___ home already. Let’s go back and check it out.

单选题 As a person who loves peace, he is committed ___(　　)___ realizing peace between countries.

单选题 Because of his long illness, Lee’s English level had dropped, but he was determined to ___(　　)___ the other students by working harder.

单选题 It would ___(　　)___ up to a year to find the right doctors and schedule the operations.

单选题 The research shows the region might ___(　　)___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.