—Has Billy finished his homework today?—I have no idea.He it this morning.
The accident is reported to have occurred __________ the first Sunday in February.
People may have different opinion about Karen, but I admire her. ______, she is a great musician.
There are altogether eleven books on the shelf, ______five are mine.
You can't wear a blue jacket _____ that shirt — it'll look terrible.
1 feel that one of my main duties ______ a teacher is to help the students to become better learners.