I think I saw Mary ______ in the library last night.
A: working
B: worked
C: to work
D: works
A: working
B: worked
C: to work
D: works
举一反三
- I will ________ hard. A: work B: works C: working D: worked
- I look forward to ___________ with you. A: work B: working C: worked D: Works
- He saw her ________ in the garden. A: work B: worked C: working D: works
- Paul: I saw you in your office last night. ______ late? Chris: Yes, I ______. A: Were you working . . . did B: Were you working . . . was C: Did you working . . . was
- I first met Mary four years ago. She _____ at a shop at that time. A: has worked B: Works C: was working D: has been working