—Are you going to Beijing by plane?—It’s fast, but expensive, so I am not sure. I _______ take a train there.
Tom didn't get up _______, so he missed the early bus.
What do the sheep_________?
Linda __________ to Beijing, she hasn't returned back yet.
They preferred ________ to school ________ a bus.
I __________ a gift yesterday, but I didn't ________ it.