--- Mum,I’ve got ________ important to tell you. --- What’s up? A.something B.anything C.nothing
—Mary was heard_______ just now. What happened? —John was telling a joke.
It is silly ______ you to give up ______ to America for further study.
Would you like to __________us in watering flowers?
I have decided ________her for her mistake____ everyone makes mistakes in life.
We should be strict _______ ourselves ______ our work.