The police warned the children __________the football in the street.
| A．don’t play | B．not play | C．to not play | D．not to play |
-- Sally, you must introduce your friend ___________ me.
-- OK, I will.
| A．for | B．to | C．at | D．in |
I like classical music, because it sounds ______________.
| A．smart | B．beautiful | C．tight | D．soft |
She has been to Shanghai, has she?
| A．never | B．ever | C．already | D．yet |
—Bob, it’s getting cold.take a jacket with you?
---All right, Dad.
| A．Why not | B．What about | C．How about | D．Why not to |
Thanks for _________ my friend to your party.
| A．invite | B．to invite | C．invites | D．inviting |