. He _____ English for ten years by thetime he takes the examination.

The manager is said to have arrived back from Paris where he ____ some European business partners

Can you believe___little children can finish the difficult problem in___ a short time—I can’t believe it until I see it with my own eyes.

Whoever is never ______ with the progress he has madewill be a success

use me, ______ can you tell me the way to the train station—Sorry, I am a stranger here myself.