Ⅰ.单词拼写
1．Don't let the mistake o________ again.
2．I like the two ________(人物)in the play very much.
3．We suggest that you s________ the cartons with double straps.
4．They welcomed the opportunity to ________(参与)fully in the life of the village.
5．He was the first singer I ever saw on the ________(舞台)．
答案 1.occur 2.characters 3.strengthen 4.participate 5.stage
