试题：
| 单句改错。 |
| ( )1. I am (A) enjoying (B) to sing (C) English songs (D). ( )2. I used (A) to playing (B) with my friends, but now I hardly (C) have time to do it (D). ( )3. We had (A) a (B) great fun (C) reading (D) English magazines. ( )4. A bike runs (A) many (B) more slowly (C) than (D) a train. ( )5. Martin didn't (A) know how (B) regard (C) the problem as (D) a challenge. 1.______ 2.______ 3.______ 4.______ 5.______ 6.______ |
答案：
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