The first class begins _______ 8 o’clock______ the morning.

do you enjoy ____ your weekend,swimmingorfishing

I don’t know why you are so concerned —it’s not your problem _____

Mr. Chen has a loud voice. His voice can ______clearly, even in that big classroom.

(2013·陕西宝鸡二模)The British are not so familiar with different cultures and other ways of doing things, ________ is often the case in other countries.