— Why are you always yawning, Kathy? —I ______ all night reading Steve Jobs. That’s a fantastic book!

This passage had many new words and the students could not _______ what the writer meant.

They ___ every means, but the engine __ work.

—Do you have any plans for Saturday?—To tell you the truth，I have nothing in ______ for Saturday.

After Tom had finished some paper work, he ______ interviewing the applicants.