Nobody ______ to go into the laboratory without permission (允许).
—It’s Father’s Day today, ______?—Yes, let’s buy a gift for Dad.A.isn’t he B.doesn’t it C.isn’t it
—Claudia, are you going to Mike’s birthday party on Sunday?—Unless I ______ .A.am invited B.invited C.was inviting
We are too tired. Let’s stop ______ a rest.A. to have B.have C.having
Li Na is one of ______ tennis players in the world.A.most famous B.the most famousC.more famous
Write down the telephone number, ______ you’ll forget it.A.or B.and C.so