Our teacher is always busy preparing lessons until 11 o’clock at night, _____we students have gone to sleep.
| A．that time | B．by which time | C．by that time | D．which time |
–It’s thirty years since we last met.
-But I still remember the story, believe it or not, we got lost on a rainy night.
| A．which | B．that | C．what | D．when |
–Who should be responsible for the accident?
-The boss, not the workers. They just carried out the order .
| A．as told | B．as are told | C．as telling | D．as they told |
Distinguished guests and friends, welcome to our school. the ceremony of the 50th Anniversary this morning are our alumni（校友） from home and abroad.
| A．Attend | B．To attend | C．Attending | D．Having attended |
With April 18’s railway speedup, highway and air transport will have competed with service for passengers.
| A．good | B．better | C．best | D．the best |
I send you 100 dollars today, the rest in a year.
| A．follows | B．followed | C．to follow | D．being followed |