As high school students, it’s very important to keep ourselves ______ of what’s happening home and abroad every day.

——Is there any possible way to help them get rid of such a bad habit? ——To tell the truth, it’s very hard. But we_______ on this problem.

 Since she is out of work, Lucy________ going back to school, but she hasn’t decided yet.

--- Did you tidy your room? --- No, I was going to tidy my room but I ______ visitors.

—Jane, have you finished yourpaper?     —No, I      my sister with her homework all the morning.