1 . While shopping, I came across one of my former classmates, but I couldn't remember his name, which made me embarrassed.
→While shopping, I came across one of my former classmates, but his name ________, which made me embarrassed.

2 . Although you are busy with your study, you should set aside some time to get involved in some outdoor activities such as hiking and skiing.
→________________, you should set aside some time to get involved in some outdoor activities such as hiking and skiing. (状语从句的省略)

3 . While online shopping has changed our life, not all of its effects have been positive.
→Although online shopping has changed our life, ________________.

4 . All of us will do our best to help you, but you must get prepared to meet all kinds of difficulties.
→All of us will ________ to help you, but you must get prepared to meet all kinds of difficulties.

5 . People say, “Guilin's scenery is peerless in the world.” I didn't find it really worthy of the reputation until I visited the place.
→People say, “Guilin's scenery is peerless in the world.” ________________that I found it really worthy of the reputation.(强调句)

8 . Now, we can see it clearly that an electronic dictionary is not beneficial or harmful in itself. (用neither...nor...改写)

9 . An electronic dictionary has lots of advantages. The biggest is its convenience. (用非限制性定语从句改写)

10 . Though I’ve learnt English for years, I still can’t make people understand me quite well. (用过去分词改写句子)
→Though I’ve learnt English for years, I still can’t make ________________quite well.