Ⅰ.单句语法填空
1．My English teacher recommended me to go (go) in for the examination for stage four.
2．It remains to be seen(see) whether the operation was successful or not.
3．When I got up early the next day，I found the air on the hill was good to breathe (breathe).
4．Most of the people don't advocate building (build) large factories in this area.
5．Don't respond to any emails requesting(request) personal information，no matter how official they look.
6．To join in the club，you have to undertake to buy (buy)at least six books a year.
7．As far as I'm concerned，your advice is of vital importance to my study.
8．Social activities usually preserve old people from the loneliness of old age.
9．I'm sure your suggestion will contribute to solving (solve) the problem.
10．She was honoured for her work in promoting friendship between the two countries.
