__hard before, Tom is afraid offailing in the exam.

They had planned to go for a picnic, but because of the rain they had to stay home_______

s the first time you _____Chengdu —–No. But the first time I _____here, the citywasn’t so beautiful.

Maria has _____ trouble _____ math, so she often asksher math teacher for help.

Yesterday I _______ my umbrella at home. So I had to take ___________.