1£®—My son is addicted to computer games. He is hopeless, isn't he?

—Yes, ________ he is determined to give up and start all over.

A£®if     B£®when

C£®even if     D£®unless

2£® Crossing roads without taking traffic lights into consideration, ________ they are part of a crowd, has been labeled as the “Chinese style of crossing roads.”

A£®since       B£®as if

C£®though    D£®so long as

3£®Provide your doctor with a detailed medical history ________ he can give you accurate treatment.

A£®even if     B£®in case

C£®so that    D£®as though