Ⅰ.单句语法填空
1．Does he have any connection (connect) with the accident?
2．They tried to make their voice heard (hear) in the noisy house.
3．Our bodies are strengthened by taking exercise.Similarly(similar)，our minds are developed by learning.
4．It is impolite behavior to smoke in a crowded (crowd) bus.
5．He exchanged (exchange) his old car for a new model as soon as he won the money.
6．The police were watching closely the thieves close to the newlybuilt house.
7．I noticed her eyes in particular，because they were very large and beautiful.
8．He was unfortunate (fortunate) to injure his ankle while playing basketball.
9．The river is heavily polluted (pollute)，which gives off a terrible smell.
10．The dog may be a great companion for the old.However，the need to take it for walks may be a disadvantage.
