Jim, ___ read books while you are walking in the street. It’s very dangerous.
Tom has much difficulty _____Chinese so he often asks me ______help.
Usually before exams, the students ____two minutes to write down their names.
Some of the young men learn English________ to the radio.
—Mary was heard _______ just now. What happened? —John was telling a joke.
Daniel was a bad mood and didn’t talk to .