It is clear that if we read English article every day,we________improve our English.
The little child _______ go home alone at night.
If hehis legs yesterday, he _______ the Summer Palace with us now.
—Did you notice John was not at work today? —No.If _______ working,I would have noticed it.
—Tom didn’t come last night,did he? —No.I _______ have waited for him.A whole night was wasted.
I was on the highway when this car went past followed by a police car.They _______ at least 150 kilometers an hour.