I think ______ of the materials I listened to at the beginning of the exam ______ easy. — I think so.

Must Jack come to sign his name on the paper?—Yes, he_____ .

Rather than________on a crowded bus, he always prefers___________a bicycle.

Thank you for your help, Linda. You made ________ possible for us to finish the work in time.

What will you_____ about the topic “How to learn English well” at the meeting tomorrow?