cho mình hỏi:
I. Complete each sentence with one of the time words in the list.
In the laboratory …
1. “Haven’t you left........................... ?”
2. “No. I’ve been here........................... 8.00 this morning.”
3. “Have you checked the results of the experiment................................. ?”
4. “Yes, I’ve......................... done that.”
5. “We’ve worked on this project............................. three weeks. Unfortunately we haven’t discovered
anything interesting............................ ”
6. “No, nothing has happened.............................. last Tuesday.”
7. “Yes, I know. I’ve......................... seen your report.”
8. “So I’m going to do the experiment again. But I haven’t started it.................................. ”
9. “Don’t bother. I’ve ………………started it. I haven’t checked.............................. , but I think we’re going
to get the same results.”
