Measures have been taken to prevent accidents, but much ______ for more improvement.
A.remains to be done | B.is remained to do |
C.remains to do | D.is remained to be done |
――Look! Somebody ____the sofa..
――Well, it wasn’t me. I didn’t do it.
A.is cleaning |
B.was cleaning |
C.has cleaned |
D.had cleaned |
It suddenly occurred to him___ he had left his keys in the office.
A.whether ; |
B.where |
C.which |
D.that |
The Smiths don’t usually like staying at __ hotel, but last summer they spent a few days at a very nice hotel by ___sea.
A./: a |
B.the; the |
C./; the ^ |
D.the;a |
There .
A.come they |
B.they come |
C.they are come |
D.they will come |
the plane.
A.Flew down |
B.Down flew |
C.Down was flying |
D.Down fly |