Cindy, ________ to be here at 8 o’clock.（ ） A: is sure B: be sure C: will be sure D: is sure that

Tom, _________ that you have been ready for the exam. A: to sure B: to be sure C: be sure D: sure

Cindy, to be here at 8 o’clock. A: must be sure B: is sure that C: will be sure D: e sure

【单选题】6. ________wear seat belt when you drive a car. A.Make sure of B.Make sure that C.Be sure to D.Be sure that A. Make sure of B. .Make sure that C. Be sure to D. Be sure that

—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

______ before you leave the lab. A: Make sure that the windows are shut B: To make sure that the windows are shut C: Making sure to shut the windows D: To be sure to shut the windows

Americans often say that there are two things p person______ in life: death and tax. A: can be sure of B: should be sure of C: must be sure of D: must be sure about

—Would you like to go to the hospital to help the sick kids this Sunday? —_______．I’ll be free then． A: A．Sorry，I can’t B: B．Not at all C: C．Thank you D: D．Sure，I’d love to

They ________ the delivery of our products on time. A: sure B: guaranteed C: be sure D: ensures

I cannot （） you a good post. A: assure B: ensure C: make sure D: be sure