Again and again the doctor ______the crying girl, but he couldn’t find what was wrong with her.
We _____ on this project for four hours. Let’s have a rest.
There are over 58,000 rocky objects in _____ space, about 900 of which could fall down onto _____ earth.
—Did you catch what I said?—Sorry. I _____ a text message just now.
I feel so excited! At this time tomorrow morning I _____ to Shanghai.
“The moment _____ soon,” he thought to himself, waiting nervously.