Too much fast food is bad for us. We should only have it _____.
句意：太多的快餐对我们有害。我们应该只是偶尔吃一下。
考查副词短语辨析。A. all the time总是，一直；B. from now on从现在起；C. at the moment现在，此刻；D. once in a while偶尔，间或。太多了有害，因此只能偶尔吃，故选D。
Too much fast food is bad for us. We should only have it _____.
It is ________ hot today. We'd better stay at home.
—Jane, I'm late for your party _______ an accident. I'm sorry.
—It doesn't matter. Enjoy yourself here.
You can only borrow two books ____________ if you don’t have a library card.
We should speak________when we meet someone for the first time.
—Sorry, Johnny, I failed in the physics exam.
—Never mind!________the exam is not so easy.
There is no need to push the kids too hard.______, you hate to see them stressed out.
The land is________rain，because it hasn't rained for several months．
As students, we should____________ourselves. We can’t spend much time playing computer games.
—Mom, I won the first prize in the English speech contest.
—Fantastic. I am really ________ you!
