I find difficult to pronounce the words.
You mustn’t forget ______ your dictionary when you come here tomorrow.
—Where is Tom?—I heard him ______ with our English teacher when I passed the teacher’s lounge.
I had a bad cold. The doctor asked me ______ in bed for a good rest.
My brother hurt his ______ yesterday. He can’t walk now.
—Go and ask Mr Green for help.—But I don’t know ______.