---__________ do you usually play basketball with your friends?---After school.
---Does the teacher know everybody _______ planted the trees?·---Yes, he does.
I don’t know if he tomorrow. If he , I’ll meet him.
We won’t put off our plan __________ it snows heavily tomorrow.
______ he talked with her for a long time, he failed to convince(说服)her.
Take a map with you while traveling ________ you have a guide or know the city well.