—I’m disappointed the experiment turned out to be complete failure again.—Don’t lose heart.Try third time.
________ a little earlier, you could have got a copy of his latest book.
What's your opinion of Mr Li's request that we ________ spend half an hour reading English aloud every morning?
They advocate the proposal we were opposed ________ rediscussed at the next meeting.
The little child ________ go out alone at night, so he ________ walk in the dark that night.
—Is it good to look up every new word when I come across it in reading? —No, you ________, because you are likely to guess the meaning from the context.