--- What are you going to do this weekend?--- . If time permits, I may go to Shanghai with my friends.
—_____? —Fine, I’ve got used to the life there, and I’ve made some friends.
You’d better give the task to _____ you think can finish it ahead of time.
I don’t think John saw me; he _____ into space.
As a writer _____ the new century, he is popular among the teenagers.
_____ the great efforts we had made three years before, we failed to carry our plans through.