A professor from _______university said that he would think out _______unusual way to face the serious problem .
He often ______ basketball, but seldom ______ volleyball.
There ______ a dog and two cats in the picture.
_____ your sister good at _______?
单词辨音
It was brave of the policemen to get over all the difficulties in that case .Which of the following is correct for the underlined word in the sentence?