You ______have written such a long article. The teacher said 100 words would be enough.A. mustn’t B needn’t C couldn’t D. wouldn’t
All ______ we need is to be supplied with food and clothing.
Play, often seen as _______ activity for kids ,is still important in _____ development of teenagers.
The oil price has _______ a lot these days because of the war .
The foreign friends you referred to _______ looking forward to _______around our university.
We were having a meeting _________ suddenly someone knocked at the door.