the main mirror of the Hubble_____ A had problems B requires

We had a very hard time _____some of the problems. there was trouble with the Hubble_____ A from the beginning 英语翻译The main structure of a ship is the hull.It's the main b 求正确答案Mr Green had a nice shop in the main street of a small 英语翻译Mr Brown had a nice shop in the main street of a small t I had a lot of problems ______ the bus stop 填find还是finding We had a very difficult time ______ some of the problems 选项: a number of problems ----to be solved though we have had the This repository requires a more recent version of the 根据字母开头填写单词1unemployment is one of the main problems of m---t The eyes are the mirror of the problems of the environment