单项选择。() 1.three orange notebooks. (重庆期中)A.Here are B.Here is C.This is D.That is() 2. If you take a vacation this summer, soI. (黑龙江绥化中考)A.will B.do C.am D.did() 3.Only yesterdayfind out that his purse was lost. (甘肃兰州中考)A. he was B. was he C. did he D.he did()4.Only at that timethat he was wrong. (黑龙江绥化中考)A. he realized B. did he realize C. he did realize D. he did realized()5.-Zhang Fuqing, once a soldier, often thinks more about others than hi