Fill in the gaps with one of the words. One variant is extra.

1) He's looking ... keys. He doesn't remember where he left them yesterday.

A) forward to

2) I'm looking ... hearing from you soon.

B) out

3) Don't look ... me like this!

C) for

4) Grandmother looks ... her grandchildren at the weekends.

D) at

5) Look ...! The stone is going to fall down!

E) through