对英语动词时态语态不懂
inafewdayistimeI(shallbeenjoying)thesunshineofWestAfricainsteadofshiveringhereinanEnglishwinter.为什么不对
theCuriesdiscoberedradiumaferthey(married)为什么不是havemarried
Unlesseconomicconditionsimprovenextyear,(therewillbe)widespreadunrestintheUnitedStates.为什么不是thereis
donnottdllhimanythingaboutmewhenyou(aretalking)withhimtomorrow.为什么不是willbetalking
JOHNspendsatleastasmuchtimeconsultinghistoricaldocumentsashe(doeswriting).为什么不是writes
邮箱:联系方式: