____has been said before, it is not easy to learn a foreign language.

ing to reading, we must have the patience toread ______ book so that we will have _______ deep understanding of it

Why are you still waiting in line— I’ve missed my turn ________.

Eating healthy food can help us.A．many

What surprised me most was to see some of thevillage people ______ on the benches at the end of the classroom .