The policeman asked the child ________ cross the street ________ the traffic lights turned green.
A. not, when B. not to, until
C. didn't, before D. not to, after
— I have great _______in finishing the work by myself. Could you help me?
— No problem.
A. fun B. success
C. advice D. difficulty
-How well she sings!
-Yes, she has a very sweet __________.
A. voice B. Sound
C. Noise D. shout
He found very difficult the math problem.
A.that；to solveB.this；solving
C.it；to solve D.it；solving
My sister has learnt English _________.
A. for twelve years ago B. since she was four
C. twelve years ago D. at the age of four
—Did Tom’s parents go to the meeting yesterday?
—Yes, of them did, but spoke.
A. each, none B. both, none
C. neither, both D. both, neither
