A flashing red light __________ that a stretch of road was under repair.
After ten hours’ drive, we came to ________ is called a green house, through the glass wall of ________, we saw lots of green plants.
Next door to ours _________, who seem to have settled into life in China.
You’d better not call the manager between 7 and 8 this evening, for he ________ an important meeting then.
— Have you read the novel?— Yes. I ________ it three times while I was in university.
Every means _________, but none proved __________.