1.In the customs inspection place, there are three channels set up for passengers to go through customs: "Having-things-to-declare Channel" and "Nothing-to-declare channel” and Not-sure Channel".

【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

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

—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

1 Choose the correct answer. ► I’ll tell her if I see her. = I’m sure/not sure that I’ll see her. not sure 1 He’ll be OK when he sees her. = He’s sure/not sure that he’ll see her. ____

确保间隙在限制范围内。 A: Make sure that the clearance is in the limits. B: Make sure that the clearance is in bounds. C: Make sure that the clearance is in limitations.