问题

I happened_______with him when he was hitby a stone.

A:I was talking
B:talking
C:to talk
D:to be talking

正确答案是：

同类题型

You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.

Mark often attempts toescape_______whenever he breaks traffic regulations.

is the ruler—It’s green.

_____ the man there be our maths teacher——He ___ be, but I’m not sure.

t school, English is compulsoryfor all students, but French and Russian are ______