How long does a snake sleep? It ______ for eighteen ______ a day. A. sleep, hour B. sleeps, hours C. slept, hours
Han Han's books are popular. They __________ by many teenagers.A. is readB. is invitesC. were readD were invites
-When did the terrible earthquake happen(发生)in Ya'an, Sichuan?-It happened____8:02____the morning of April 20th ,2013.
He is not very tall, and he is not very short.He is .
Your sister shy.
She is quiet.