there were lots of trees here in the past.（改为同义句)
there ___ ___ ___ a lot of trees here in the past.
人气：209 ℃ 时间：2019-08-19 11:42:22
解答
used to be
这个题有问题! 用used to 的话, 不能再有时间状语 in the past\
【希望帮助到你,若有疑问,可以追问~~~
祝你学习进步,更上一层楼!(*^__^*)】不知道啊~考的肯定是used to be但你自己要注意这点，不能再用过去时间状语
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