Ⅰ.单句语法填空
1．Hard work ________ (affect) his health, he had to be in hospital.
2．I don't fancy ________ (go) out so far in such bad weather.
3．________ average, a family will use 5 kg of wood per day to cook on a simple wood stove.
4．________ view of the above mentioned facts, we wish to make the following proposals.
