.– You are not afraid of snakes, are you?
--- No, certainly not. Not rats, not flies, and ____ ants.
A.at best | B.at least | C.best of all | D.least of all |
He must have attended the meeting yesterday,___________ he?
A.didn't | B.mustn't | C.needn't | D.hasn't |
I was really too busy with my homework and I couldn't help ____________ housework.
A.doing | B.do | C.did | D.done |
Mary is one of the brightest students who_________ from New York University.
A.is graduated | B.have graduated |
C.has graduated | D.are graduated |
Mary is short__________ her brother is very tall.
A.still | B.nor | C.while | D.when |
It’s clear__________ that a hard working student has___________ a great interest in science.
A.不填; discovered | B.不填; developed |
C.that; invented | D.that; developed |