Once new difficulties _____ in our study, we should learn to use our brains to solve them.
In front of our village.
There have been casessome English learners can’t get their message across even though they have memorized a lot of words.
The chief editor demanded that the article immediately.
The phone rang and I it .
— Ugh, what a mess! You need to clean the room right now, lazy bones! — But the exam is approaching!