Don't you think _______of great importance that we should keep fit by taking exercise regularly?
A．this B．that C．which D．it
The news was a terrible blow to her, but she ______the shock soon．
A．got out B．got over C．got off D．got through
．When he goes out, he often wears sunglasses _______nobody can recognize him．
A．so that B．now that C．in case D．as though
The desks in our classroom are so close together that there is not enough room to move them．
A．between B．in C．across D．over
_______ travelling expenses rising a lot, we had to change all our plans for the tour．
A．As B．By C．Since D．With
Professor Wang ________in our school till next Sunday．
A．will have stayed B．has stayed C．is staying D．stayed
