It is difficult for us to learn a lesson in life ____we’ve actually had that lesson.
| A．until | B．after | C．since | D．when |
Egyptian President decided to ______on Friday afternoon after an 18-day campaign against him, ending his thirty-year rule.
| A．step down | B．break in | C．break down | D．step in |
I live in a town ______ runs a small and winding river.
| A．through which | B．which | C．in which | D．where |
The house caught fire last week, with little of the original building _________.
| A．remain | B．remained | C．remains | D．remaining |
Jack and Mike were found cheating in the exam, and _____ by their teacher at the moment.
were scoldedB. are being scolded
C. have been scolded D. were being scolded
Not until he went abroad to further his study_______ the importance of English.
| A．has he found | B． he has found |
| C．did he find | D． he had found |