Ⅰ.单句语法填空
1．If the human population had not increased so rapidly，people would have had more space and__________(free)．
答案： freedom
2．My mother would rather I__________(focus) more attention on my study.
答案： focused
3．Susan made__________clear that she wished to study abroad.
答案： it
4．If you stay out in the sun for a long time，you may get __________(sunburn)．
答案： sunburnt
5．From her__________(satisfy) look，we can tell that the meeting is successful.
答案： satisfied
6．Borrowing foreign words and then adding them to English was a way of__________(expand) the language.
答案： expanding
7．Food production has sharply increased and helped prevent widespread __________(hungry) since the method was used.
答案： hunger
8．The problem that so many children are crazy about video games is really__________
(disturb)．
答案： disturbing
