All _____ can be done has already been done.
A./ | B.what | C.that | D.which |
After visiting the harbor in the bay, they took a tour around the downtown area, ______ they visited many art galleries, shopping centers and had their lunch in a restaurant that served fancy foods.
A.which | B.as | C.where | D.what |
Canada is the only country that _____ an entire continent in the world, facing the Atlantic ____ the east.
A.makes up; on | B.covers; on | C.takes up; to | D.do up; in |
—I am afraid I can’t return the book to you before Friday.
—________.
A.Don’t be afraid | B.Be careful |
C.Not at all | D.Take your time |
—Does he often ask you for help?
—Oh,no,only________.
A.all the time | B.at one time |
C.at a time | D.at times |
________, I lost heart in English learning,but my teacher often said to me,“Keep on studying hard,and you’ll succeed________.”
A.At a time;in time |
B.At a time;on time |
C.At one time;in time |
D.At one time;on time |