--Does the bookstore math books?--Yes. Do you want to one?
He looks good ____red while black looks good _____me.
-I think David can be the most suitable person to be our monitor,-_______. He has many strong qualities.
- My dear, it's time for bed. Don't_______ too late.- Sorry, Mum. I haven't finished my homework yet.
Mum asked me to go shopping with her last weekend, and I had no choice but_______.
-Are you clear about the trip next Saturday?- One more thing.1 want to know_______.