问题补充:
Don’t worry. All the children will arrive at school on time tomorrow.
A. are able to
B. can
C. be able to
D. can be able to
答案:
A. are able to
B. can
(答案→)C. be able to
D. can be able to
解析:句意:别担心。明天孩子们都能够按时到达学校的。本句中表示将来的能力,will表示将来的助动词,后面直接跟动词原形即be,故选C。