—Tom can't find his gloves. Are these blue gloves his?—No, they _ be his. His gloves are black.
—Where’s David?—He ______ be in the playground because he is fond of playing basketball.
______ interesting it is to go sailing in Qingdao in summer!
Ge You is ______ popular film star in China, who likes listening to music.
There was a big earthquake in Japan, but luckily many people _________.
— Would you mind staying in such a noisy room?— No, but my son needs a _________ place to study in.