- Have you considered _____ your job as a teacher? - Yes. I like the job because a teacher is often considered _____ a gardener.
We saw many students playing on the playground, most of them _____ girls.
He must have finished his homework for a long time, _____ he?
We can see the blue sky and the shining sun. There is no possibility _____ it will rain or snow today.
Leaders of many countries have been trying to _____ what it is that makes China develop so fast.
The computer system _____ suddenly while he was searching for information on the Internet.