-_______is this dress ? -It’s twenty yuan .A、How many B、How old C、How much
Be careful _ too fast, or there _ be an accident.
_______lovely weather and ________ nice time we have !
The maths problem is very easy, _____ I don’t think all of you can work it out.
Thank you for ______ me go on the trip ,Mr Wu.
We talked _______ until Mr Wu asked us _______.