1.-Howlong(A)inchengdu?-forjusttheweekendtocome,I'llbebacknextMondaymorning.A.areyoustayingBdidyoustayChaveyoustayed为什么要选A,而BC错误2.-Haveyouheardthesong?-Yes,Iheardit(C)manytimesAsingsBsangCsu
1.-Howlong(A)inchengdu?
-forjusttheweekendtocome,I'llbebacknextMondaymorning.
A.areyoustayingBdidyoustayChaveyoustayed为什么要选A,而BC错误
2.-Haveyouheardthesong?
-Yes,Iheardit(C)manytimes
AsingsBsangCsungDsing
为什么要选C感官动词后不是要接动词原形吗