______, the concert began.
Middle school students should be given enough sleeping time, __________they are busy preparing for all kinds of exams.
The rain is heavy now. I _____ arrive a bit late. If so, could you wait for me for a moment?
—He passed the exam yesterday.—That’s great. We will hold a party to__________ it.
Great changes _____ in my hometown in the last 30 years and local people are living a happy life today.
— Didn’t you find the film exciting?—_____, I nearly fell asleep half-way through it!