根据汉语意思完成句子.他们要想按时到达山顶有困难.they____ _____ _____to the top of hill on time.
问题描述:
根据汉语意思完成句子.他们要想按时到达山顶有困难.they____ _____ _____to the top of hill on time.
答
have trouble getting