I don’t know his ______, so I can’t write to him.
There is ______ “u” and _____ “l” in the word “ruler”.
–Hey, Sally. Let me drive you home.–_______________, but I can walk home.
–Why is our head teacher here? What happened?–Don’t be nervous. There is ___________.
–Mr. Yang, will we have a PE class today?–Tell the children if it __________, come down to the playground.
–Do your homework right now, or I’ll keep you __________ in the rain for a whole day.– Oh, no. That won’t make a good father.