The pen I _______ I _______is on my desk, right under my nose.
With a lot of work _______, I can’t go to the cinema with you after school
—What has ________ done since 1989?. —It has built many schools for poor children .
—Thank you for your help. — ___________.
—Has anyone taught him how to do it? —Sure. Lots of advice________, but he hasn’t made a decision.
—The spacecraft has never been to the moon, ________ ? —Certainly.