Zhang Yining has trained continuously forsix hours. ______ she is tired out.

The boy who was believed _____ in the last exam was being questioned by the teacher when I entered his office. [ ]

_____ wants to go rafting this weekend, raise yourhands, please.

Did you have a good time at Laura’s birthday party — Yes, indeed. It’s several years ________ I enjoyed myself so much.

How long do you think _____the computer company launches a new model? [ ]