He caught a bad cold. He ____on more clothes that day. A. should have put B should have putted C. had put D. was put
What about todays temperature? -- Its the same as, if the weather report is exact as usual, ___ of yesterday.
Most environmental problems exist because adequate measures for preventing them ____in the past.
—Go for a picnic this weekend, OK? —__________. I love getting close to nature.
__________ Tom didn’t pass the exam made his parents very upset.
She is not certain about __________ she has done anything wrong.