You’d better ______ some hot water into the bottle in case the teacools down.

A. add         B. fill         C. fill in        D. put

You’d better ______ some hot water into the bottle in case the teacools down.

A. add                B. fill            C. fill in        D. put

You’d better ______ some hot water into the bottle in case the teacools down.

A. add                B. fill            C. fill in        D. put

You’d better ______ some hot water into the bottle in case the teacools down.

You’d better ______ some hot water into the bottle in case the teacools down.

1. A.
   add
2. B.
   fill
3. C.
   fill in
4. D.
   put