26. Jerry, why ______ you leave your things on the floor like this?
A.would | B.need | C.must | D.May |
He is a foreigner, ___ I knew from his accent.
A.which | B.as | C.that | D.A and B |
Betty always tells lies,___ her parents find strange.
A.that | B./ | C.which | D.as |
____ we know now, oceans cover more than 70 percent of the earth.
A.That | B.Which | C.As | D.What |
We must teach her a good lesson ___ she likes it or not.
A.whether | B.if | C.that | D.which |
We don't know ___ to pay a visit to the old town.
A.whether | B.if | C.that | D.which |