. I think ______ of the materials I listened to at the beginning of the exam ______ easy.
You can call me ______0512-5123467or email me______ lily@126.com.
Stop ______ a noise in the library .The students are reading books .
There are a lot of people in the park last Sunday. We had ______ to take a rest, so we got tired.
—Did you see a boy in blue pass by just now?—No, sir. I ______ a magazine.
—What does the symbol “<” mean? —It means “______”.