中国大学MOOC: Choose the appropriate answer.______ will be sent to work there hasn’t been decided yet.
举一反三
- The doctor _______for yet. A: isn’t sent B: hasn’t been sent C: won’t be sent D: wasn’t sent
- Professor Wang is going to give us a lecture on the history of American literature, but when and where ____ yet. A: aren't decided B: hasn't been decided C: haven't decided D: haven't been decided
- This is so difficult a problem that the scientist is known to ______ on it for about ten years, but hasn't found an answer yet. A: have worked B: have been working C: be working D: work on
- The report however, hasn’t been finished yet.
- You can't use the machine because it hasn't been _____(test) yet.