________ more careful, the work might have been done better.
|
A.Being |
B.Having been |
|
C.If you had been |
D.To have been |
_______ your diet, it is easy to reduce.
|
A.Watching |
B.To be watching |
|
C.If you watch |
D.To have watched |
_______ a pair of compasses, it is easy to describe a circle.
|
A.Having |
B.To have had |
|
C.If you have |
D.if having |
______ for something, a receipt is given to you.
|
A.Paying |
B.Having paid |
|
C.When you have paid |
D.To be paying |
_______ the sun rising slowly in the east, the scene is a perfect dream.
|
A.Seeing |
B.To be seeing |
|
C.When you see |
D.Having seen |