By the time she went outside, the bus ____ already ______ .

After I graduate, I’ll try to get a job, you know, as engineer. —You’re practical. I’m sure you can do a good job.

He was asked to _______the facts just as he remembered them.

Jack has been feeling down recently . I wonder that is making him so upset .

There is 8-year-old boy playing Chinese chess with his friend in the classroom.