现在进行时与一般现在时区别 — 英语词汇题
题目
用所给动词的适当形式填空（注意一般现在时与现在进行时的区别）：
1. Look! Tom ______ (play) football on the playground.
2. My mother often ______ (cook) dinner at six in the evening.
3. Listen! The girls ______ (sing) an English song.
4. He usually ______ (go) to school by bus.