——听说汤姆住院了。—如果这样的话,我们去看看他吧。(if so)__________________________________________________
He raised his hand ________ the taxi ________.
Jack knows _____ little English that he has never found an _____ job.
It is ten months since he ______ a doctor.
The new stadium being built for the next Asian Games will be the present one.
Their team ___ every match so far this year, but they still have two games to play.