How long has Robert _______ —Since 2000.

In the near future, more advances in the robot technology by scientists . [ ]

– How’s your new class teacher?– We ______ ask for a better one. All my classmates love him so much.

Mr White has been working all the morning with no rest.—He is a(n) _____ man.He never looks tired.[ ]

英文缩写“L”的含义是衣服的____________.