Question

—I’m leaving now.
—______ you turn off the lights and the computer.

A．To make sure

B．Make sure

C．Made sure

D．Making sure

Answer 1

B

考查祈使句的用法。句意是：確保你關(guān)了燈和電腦。這是一個(gè)祈使句，空后面的內(nèi)容是Make sure的賓語(yǔ)從句；祈使句省略主語(yǔ)you，以動(dòng)詞原形開頭。