5.Donot_____thesaladuntilyouarereadytoserve. A: mix B: toss C: fling D: eat

12.Donot_____thesaladuntilyouarereadytoserve. A: mix B: toss C: fling D: eat

Stop___yourfoot. A: toss B: wiggling C: exhibiting D: reviewing

3. Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.______

无知的;粗鲁的;不礼貌的 A: frustrate B: ignorant C: spontaneous D: toss

But an investment is supposed to ________ income to pay off the loans. A: consist of B: recycle C: toss D: generate

"She has endured the ______ of her daughter for over a year,” he said. A: loss B: moss C: boss D: toss

We've made a ______plan for the vacation but haven't really decided yet. A: vent B: tentative C: tow D: toss

During the construction of skyscrapers, cranes are used to lift building materials to the upper class. A: toss B: tow C: hoist D: hurl

During the construction of high buildings, cranes (起重机) are used to ________ building materials to the upper floors. A: toss B: increase C: hoist D: enhance