If Mary had ______ the situation to Tom, he would have understood it.
举一反三
- 1f you had been with us, you ______ our excitement. A: understood B: would understand C: would have understood D: had understood
- He promised to let me have the book as soon as he _____ it. A: had read B: has read C: read D: would have read
- Had Tom worked harder, he _____ the exams. A: must have got through B: would have got through C: would get through D: could get through
- He had already known the news before I____him of it. A: had informed B: could inform C: would inform D: have informed
- He must have had an accident, or he ______ himself（ ）. A: had to be B: should be C: would be D: would have been