Definition: to promise or make sure that something is true or will happen Level: B2
学校保证每个学生都能参加这个项目。
The school ___guarantees every student a spot in the program.
他们保证产品会准时送达。
They ___guarantee that the product will be delivered on time.
我可以保证您会对服务满意。
I can ___guarantee that you will be satisfied with the service.
