I.单项填空(共15小题,每题1分,满分15分):
1.Jane Goodall spent many years in African forests ______ the life and behavior of chimps.
A to study B study C studied D studying
2. Only when you read the poem several times ______ the spirit of the poem thoroughly.
A you can understand B can you understand
C you can’t understand D can’t you understand
1.Jane Goodall spent many years in African forests ______ the life and behavior of chimps.
A to study B study C studied D studying
2. Only when you read the poem several times ______ the spirit of the poem thoroughly.
A you can understand B can you understand
C you can’t understand D can’t you understand