Remember,___ you study, ___ result you will get.—OK, Dad. I will.

One learns a language by making mistakes and ______ them

Excuse me, sir, but ___ you speak English? —Sure, but only a litte

Before a problem can be solved, it must be obvious ________ the problem itself is.[ ]

While ____ to foreigners, you must try your best to make yourself ____. [ ]