Ifhe_____thestorekeeper‘sscissors，hewouldhaveforgottentobuyapair.
B
本题测试的是虚拟语气的用法，其中的条件从句用过去完成时 had done，主句 谓语用 would/couldmight have+done.
Hewasvery_____togo，buthehadnochoice.
I‘vebeentellingyou_____nottodothat，butyounevelistenedtome.That’swhyyougotintotrouble.
Thedriverpulled_____atthetrafficlights.
Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
Hisarticleisbetterthan_____intheclass.
