. —You ought to have learnt all these sentences by heart. — , but I forgot everything when I was asked to recite them in front of so many students.
---Besides being bright, he has always been working hard. --- No wonder he _______ in almost all subjects.
Only after he graduated _______ how much he loved his alma mater (母校) .
The speech which he made _______ the project bored me greatly.
---My god, it’s raining again. What a cold day! ---So it is. It’s really too cold _______ May.
Recent campus tragedies show that safety measures are so important that we _______ take them too seriously.