—Robert is indeed a wise man.—Oh, yes. How I regretted __________ his advice!
I wonder how ___ a factory here. Who can help me?
She is too young to help me. Let’s finish the work by ___ .
We’re looking forward to ___ London for the soccer game.
It rained heavily. The river ___ several meters.
China lies ___ the east of Asia and ___ the north of Australia.