他不害怕學數學（翻譯）
He is not afraid of learning math.
你必須持續做運動（翻譯）
You have to keep doing exercise.
Don't forget _____ your jacket because it is cold outside. (to bring / bringing)
to bring
Sara remembered ______ her students about it before, so she didn't plan to tell them again. (to tell / telling)
telling
Lulu usually spends ten minutes ______ to school. (to walk / walk / walking)
walking
The businessman spends five hours ____ his job. (of / with / on / for)
on
Finally, the frog gave up and stopped ____ to jump out of the hole.(to jump/ jumping)
jumping
How much did you ______ the cookies? (cost to buy/ need buying/ spend buying)
spend buying
Let's begin _____ at ten this morning.( to study / study / to studying )
to study
