Under the new schedule, school teachers must ______each class on time, instead of adding extra lessons.

Could you tell me _____________ last night — Er, I was watching TV at home.

What does she usually use the computer _________– She usually uses it to chat with her friends.

Never before _____in greater need of modernpublic transport than it is today

Mike, have you got what I’m saying—Sorry, Mrs. Black. I can _______ follow you. Would you please say it again more slowly