Our headmaster suggestedadiscussion on the subject

On April 24, Tsinghua University ______ its 100th anniversary at the People’s Great Hall in Beijing. [ ]

It”s nearly seven o”clock . Jack ____ . be here at any moment .

The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.

It is in Nantong _____ you’re going to paya visit to ______ this kind of radio is made