—I have done well in the exam because of no careless mistakes.—Congratulations! Students can never be _______ careful in exams.
At the United Nations Climate Change Conference, the UN Secretary General points out that,________, the climate situation will get worse and worse.
—Who should be responsible for the accident?—The boss, not the workers. They just carry the orders________.
I can't thank you _______ much because without your help I _______ have won the first prize.
Had I known about this computer program, a huge amount of time and energy________.
—My uncle suggests I ________ abroad.—I would rather you ________ at home.