-Did the train arrive in time?-No. It ______ two hours ago.
A: must have arrived
B: should have arrived
C: may have arrived
D: ought to arrive
A: must have arrived
B: should have arrived
C: may have arrived
D: ought to arrive
举一反三
- They left at nine, so they ______ by now. A: may arrive B: B. must arrive C: should have arrived D: D. ought to arrive
- He （） in Japan as he left by boat last month. A: ought to arrive B: ought to have arrived C: should arrive D: must arrive
- He said the driver must have had an accident, otherwise he _____ by then. A: would arrive B: should arrive C: must have arrived D: would have arrived
- John left home twenty minutes ago. It is usually half an hour’s drive from his home to the office here. So he （） soon. A: should have arrived B: need arrive C: must have arrived D: may arrive
- Not until the game had begun ________ at the sports ground. A: had he arrived B: would he have arrived C: did he arrive D: should he have arrive