There is _____________ with my computer. Can you help me

Who’s the man talking to our teacher?—A professor __________ a visit to our school.[ ]

–I heard The Wonder girls would sing at theHongBo Theater –Where did you ____

一Professor Li, ______the student start at once or wait a while?一At once.

Eating more nutrients than the body needs doesn’t make its function better, ______ overfilling the oil lamp makes it lighten more brightly