It is one of the important problems ______ tomorrow.
A. to solve
B. to be solved
C. solved
D. solving
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_____ maps properly,you need a special pen.
A. Drawn
B. Drawing
C. To draw
D. Be drawing
There is a river ______ around our school.
A. to run
B. run
C. running
D. to be running
How about the two of us ______ a walk down the garden?
A. to take
B. take
C. taking
D. to be taken
I was fortunate to pick up a wallet ______ on the ground on the way back home, but unfortunately for me,I found my colour TV set. ______ when I got home.
A. lying;stolen
B. laying;stealing
C. lay;stolen
D. lying;stealing