If you __________ me, I will give you some advice

I know one of the things _____I was unsure about was_____ hard it would be to climb this mountain.

teacher and classmates all knew Tom wouldnot do well, but he succeeded _________ their expectations.

t me ane-mail, to get further information

— At what time did you _______ theoffice— Oh, sorry. I didn’t pay any attentionto the time when I came in.