The train was__________ to arrive at 11:30,but was an hour late.
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.