1. was preparing for the exam; was getting ready for the exam
2. find / think it hard / difficult to learn a foreign language well
3. It takes us 20 minutes to go to
4. were excited that
5. so we regard / think of her as our mother
根据汉语意思完成下列句子。 1. 昨天晚上我在忙于为考试做准备。