ving形式的用法
选3 你已经知道这是在考ing用法动词ing形式这里做状语因为是已经看到的经历才让他更懂得怎么思考所以用完成时态的ing形式
Henry doesnt seem like the same person so much in the war has made him more thoughtful 1For him to see 2 His seeing 3Having seen 4To e seeing 我认为应该选3但答案选择的是2不懂啊求解
invitation 的用法
do not come without invitation
navigaming是什么意思
单词应该是 navigatingv 航行操纵navigate的现在分词形式adj 航行的航行中