You can only borrow two books ____________ if you don’t have a library card.
句意：如果你没有借书证，你一次只能借两本书。
考查近义词组辨析。on time按时；in time及时；from time to time不时地，有时； at a time依次，每次。故选D。
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!
—My father thinks using mobile phones is a waste of time. Besides, it’s ________ my mind and body.
—So does my father. He refuses to let me have a phone of my own.
—Let’s divide the rubbish into different kinds before throwing it away.
—OK. It’s ___________ us to use some of it again.
—China is ________ the one that it was 70 years ago.
—Sure!Our country’s development becomes a focus of world
