—It smells terrible. What has happened here?—Look, there is much waste gas _____ from the chemical factory.A.pour B.pouring D.pours
I will surely thank him if someone ______ me some good advice. A. offers B. provides C. lends
– How nice the T-shirt looks! Maybe it belongs to Jerry’s. – It _____ be Jerry’s. It’s much too small for him. A. must B. can’t C. can
– May I play basketball with my friends now? – No, ______ you’ve finished your homework. A. since B. ifC. unless
Don’t be ______ to make mistakes when you speak English. Practice makes perfect. A. patient B. afraidC. happy
– ______ I don’t know anyone at the party! – Don’t worry! Tom will introduce you to people. A. As if B. Even thoughC. What if