—David has made great progress recently.—_____, and _____. Keep up the good work, Tom.A. So he has; so you have B. So he has; so have you C. So has he; so have you
She got __________ gifts for her birthday yesterday.
What did you buy during your last vacation? I __________ a hat.
--- ___________ there any sharks in the aquarium? --- No, we didn’t see any.
It’s not good for people __________ waste water (污水) into the river.
Every student in Miss Chen’s takes turns __________ the classroom every day.