They ________ my ability to solve problems, but I have proved that they are all wrong.
| A.opposed | B.doubted |
| C.wondered | D.ignored |
27.---Mary, you didn’t show up at the meeting last week?
---No, I________, but my son had a sudden fever and I had to stay at home to take care of him.
| A.didn’t | B.was going to | C.had to | D.wouldn’t |
26.Newly-developed materials for spaceships can______extreme weather conditions.
| A.hold | B.support | C.stand | D.carry |
25.James Williams is my favorite professor; his speech is always brief, clear and_____the point.
| A.to | B.on | C.at | D.Of |
24.The first time I met David in the Central Park, both of us felt that we_____each other for ages.
| A.knew | B.have known | C.had known | D.Know |
23.---How much do I owe you for this beautiful vase?
---_____.It’s a gift.
| A.You’re welcome | B.That’s right | C.With pleasure | D.Forget it |