When do you usually take a shower —I take a shower __________ the morning.

It’s ______ for us to learn the instrument, because it’s useful.

Would you permit me ____ Chinese instead of English?— Sorry. We don’t permit _____Chinese in the EnglishCorner.[ ]

_______ are you going to visit the sciencemuseum—Next Saturday.

This is a very interesting book．I’ll buy it，．