Ruth _______ received my letter; otherwise she would have replied by now.
A: must have
B: should have
C: couldn't have
D: ought to have
A: must have
B: should have
C: couldn't have
D: ought to have
C
举一反三
- Mary ____________my letter, otherwise she would have replied before now.
- She _____me and then I could have helped her. A: must have told B: didn’t have to tell C: would have told D: ought to have told
- —They haven't finished the work up to now. —Well, they ______. A: should B: should have C: would D: must have
- "Where is the key to my bike? I _____ it." A: must have lost B: should have lost C: will have lost D: ought to have lost
- •My wallet is nowhere to be found. I _________ in the store. A: must drop it B: must have dropped it C: should have dropped it D: ought to have dropped it
内容
- 0
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
- 1
Had I run out of gas, I (ought to have)<br/>____ called the garage. A: would have; B: would; C: should have; D: ought to have
- 2
--Where is my pen?You_______ it. A: must lose B: would have lost C: must have lost D: should have lost
- 3
I can't find the key to my office, ______ have lost it on my way home. A: would B: must C: should D: ought to
- 4
"You ought to have called Helen yesterday." A: es I know I ______." B: ought to C: have to D: should have E: must have