Is Mr. Brown famous ___________ his poems?-Yes, but he isn’t known __________ a great writer like his father.[ ]
Did you get your report card today, Susan? — Yes, I did. I didn’t do well in science. Because it’s too _______.
_______ happened that I met one of my friends yesterday.
________ something wrong with the machine, I am afraid.
Would you like to go ________ a picnic.—Yes, I’d love to.[ ]