【C5】______A．normalB．ordinaryC．averageD．common

It is _______ for people to feel excited when they start doing something new.A：normalB

The author considered Debbie s mistakes as______.A．normalB．understandableC．unbearableD．una

The word "mediocre" in the last paragraph probably means______.A．successfulB．ordinaryC．out

58._________A. normalB. goodC. mainD. side

60._________A. normalB. necessaryC. domesticD. fo

The ________ runner can run 2 miles in fifteen minutes. [ ] A. common B. usualC. averageD. general