─ Is the woman in white our manager? ─ It ________be her. She has just left for Shanghai.

Last night Dad and Mum didn’t come back home ________ I finished my homework.

Listen, who______ in the classroom?

Would your younger brother go for a picnic this Sunday?—If I don’t go, _______.

After you are invited to a party you should write replies ______ the invitations.[ ]