—I'm free tomorrow. I'm planning to play football. Will you go with me?—I'd love to, ________ I have to finish my report first.
John fell asleep _______ he was listening to the music.
It took her______ to cook the delicious food.
I shall turn ____ our teachers when I’m in trouble.
—Mom, my classmates invited me ____ a field trip. May I go with them? —OK.
----What would you like to do this Sunday? -----If it doesn’t rain, I _______to Mount Qingyun for a spring field trip.