—How was your day off ?—Pretty good ! I _________ the Great Wall with my classmates.A. visit B. visited C. am visiting
He does not know ______ they will plant trees on Saturday or not.
Tom usually ________early.
Can you tell me_____ you are from?
---Would you mind if I open the window? ---______________, I’ve got a cold.
---You shouldn’t stay up late tonight. --- Thanks, I will go to bed earlier. ___________.