Youcan’twatchTV________youfinishyourhomework. A: efore B: if C: while D: as

41. According to the Conditions given in the passage, the buyer’s refund request must be made ____________. A: during one year of purchase B: efore the payment is made C: efore the order is completed D: during the protection period

The car was stolen _____ parked in the street. A: while B: efore C: until D: as

Arrive well ________the interview time. A: efore B: afte C: later than

It was not long _____ I forgot it. A: afte B: as C: efore D: until

That had happened__. A: efore long B: long before C: very soon

There is a bottle of wine ______ the room. A: in front of B: in the front of C: efore D: inside

I will write it down____ I forget. A: untli B: when C: efore D: as

I have worked in this school 1989. A: efore B: until C: since D: during

What is the meaning of the prefix “peri-” in “perioperative” A: elow B: afte C: efore D: surrounding