ired man donated most of his savings to the school damaged by the earthquakein Yushu ,________the students to return to their classrooms

We’ll visit the Summer Palace_______ there is a heavy rain tomorrow. — OK ! Boating on the lake must be interesting.

This term I want to be the top student inmy class.–_________.

He proposed that we _______ a meeting , which suggested he ________ in our plan .

no life has been found outside the earth, but while some scientists areactively searching for living things in outer space, others firmly believethere ____ .