Ⅰ.单词拼写
根据汉语或首字母提示，写出下列单词
1．He let go without warning me and I fell backwards(向后)．
2．The correction(改正) of all my mistakes took nearly an hour.
3．I can distinguish(辨别) my roommates by their footsteps.
4．What do you think of the old saying(谚语)：“Spare the rod，spoil the child”？
5．He couldn't swallow because of a sore throat(喉咙)．
6．Try to simplify your explanation for the children.
7．Who'll instruct them to do the experiment?
8．How much is the postage for an airmail letter to Canada?
9．Make the windows secure before leaving the house.
10．What made you suspect her of having taken the money?
