It’s the fifth time ______ late this term.
I would appreciate it _______ you call back this afternoon for the appointment.
. This tower _______ back to 1860s and it is still in good condition.
You can see the stars on a clear night, but in the daytime they are __________.
Finding her car stolen, __________.
We would not __________ such hard work. It’s impossible for us to complete it in such a short time.