1.Helookedathimselfinthemirror,___hishairandthenwentout
a.pattedb.patting
2.Jason____thework____teno'clockthismorning
a.havefinished;byb.havefinished;at
c.hadfinifhed;atb.hadfinifhed;by
3.severalweekshadgoneby___irealizedthepaintingwasmissing
最后一个忘了
A.ASB.beforec.sinced.when