--What's wrong with your uncle?--- We're sure____ something is wrong with him, but we doubt_____ the disease can kill him.
The novel ______ by many people today.
--- Is that man Mr. Smith? --- It ______ be him. He has gone to NewYork on business.
Meimei thinks maths is ______ than Chinese.
In 1998, Liu Xiang’s ______ in hurdling was noticed by Sun Jiangping.
Lao She’s Teahouse ______ the changes in Chinese society over fifty years.