A: have saved
B: are saving
C: will save
D: were saving
举一反三
- She didn’t go to the cinema last night, _______ she had to finish her term paper.
- She didn’t go to the cinema last night,__she had to finish her term paper. A: as B: if C: till D: though
- M: I invited Jane to see a movie yesterday, but she didn’t have any free time.W: Well, she was busy writing her term paper. Why didn’t Jane go to the movie（） A: She didn’t want to write her report. B: She didn’t like the movie. C: She didn’t want to talk about the movie. D: She was busy writing her term paper.
- Carey didn't go to the party last night because she ＿ the baby for her sister until 9∶30.
- They won’t buy new clothes because they ______ money to buy a new house. A: save B: are saving C: have saved D: were saving
内容
- 0
For years,doctors ___________millions of patients’ lives with . A: have saved B: ale saving C: will save D: were saving
- 1
Mary didn’t go to the party last night because she ______ the baby for her sister until 9:30. A: must have look after B: had to look after C: must look after D: has to look after
- 2
Why didn’t Karol go to the party last night A: Because her grandmother was ill. B: Because it was too late for her to go to the party. C: Because she went to her grandmother’s party. D: Because she went to visit her doctor.
- 3
5. For years, doctors ______ millions of patients’ lives with the help of microscopes. A: have saved B: are saving C: will save D: were saving
- 4
Cathy didn't go to Tom's birthday party last night because she ______ the baby for her sister until 9:30. A: must have looked after B: would have to look after C: had to look after D: should have looked after