The problem is too difficult, can you show me ______ , WangLe — Sure.

I want to be very careful to talk only about ____ we’ve formally tested.

He _______ more than 5,000 English words when he entered the university at the age of 15. [ ]

I’m not________up so early yet but I have to________myself to it.— Yeah. Just as the saying goes, “An early bird catches the worm”. [ ]

It’s seven o’clock. Jack’s family _____ breakfast.