Tom is a quick learner. But he is ______ at times.— That’s true. He is sometimes not calm enough.

The English-Chinese dictionary ____my father bought for me many years ago is so useful.

_____it with me and I’ll see what I can do.

Usually John would be late for meetings But this time, _____ to my surprise, he arrived on time [ ]

ny 3D film directors tend to usestate-of-the-art technology to thestory , so that thefilms attract audience’s attention very much