This problem is very important, so you must ________.A. come it up B. think it over C. think it of
James is an English boy. He _____ from England.
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
—____ are you? —I’m twelve.
—We need a new leader for our Helping Hands Club,but I don’t know_______. —Why not Mary? She is always willing to help others.
It’s nice _____ you to ______ so much time showing me around your school.