She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.

The little girl couldn’t ________ the problem. She wasn’t ________ clever.

Without my glasses, I couldn’t _______ whether that figure on the blackboard was a three or an eight.

After arriving in the United States, this 20-year-old Chinese student found it rather difficult to _______ living on his own.

The reason why I missed the party was that my car was _________ in the traffic jam.