It was by making great efforts ____ she caught up with other students. [ ]

Have you finished the book —-No, I’ve read up to _______ the children discoverthe secret cave. .

We can save money _________ cooking our own meals instead of eating outside.

The Apple founder and former CEOJobs（乔布斯） ________on Wednesday at the age of 56.

Where is your mother，Tom—She _________________the dishes in thekitchen.