The door opened and there .
A. entering our English teacher
B. entered our English teacher
C. did our English teacher enter
D. our English teacher entered
the project as planned, we’ll have to work two more hours a day.
A. To complete B. Complete C. Completing D. Completed
You don’t need to make fancy foods to impress guests—it is something simple but good _____ will do.
A. what B. that C. which D. who
The school has developed an online system students can choose their own teachers.
A. which B. that C. whom D. where
We’d better stay here a little longer he turns up unexpectedly.
A. although B. in case C. since D. if only
---I’m sorry, but there is no smoking on this flight.
---Oh, I _____that. Sorry, I won’t again.
A. don’t know B didn’t know C. won’t know D. haven’t known
