PRESENT PERFECT SIMPLE

I have known her ____ a long time. (FOR/SINCE/ALREADY/JUST/YET)

I haven't eaten anything____ this morning (FOR/SINCE/ALREADY/JUST/YET)

She has ____ sent the email. (FOR/SINCE/ALREADY/JUST/YET)

Have you had lunch _____? (FOR/SINCE/ALREADY/JUST/YET)

I’ve ______ seen Peter in the street. (FOR/SINCE/ALREADY/JUST/YET)

The medicine hasn't started working _____, Alex. (FOR/SINCE/ALREADY/JUST/YET)

I haven't seen John ___ last July. (FOR/SINCE/ALREADY/JUST/YET)

I've had this car ______ years. (FOR/SINCE/ALREADY/JUST/YET)

I have _____ changed my clothes. (FOR/SINCE/ALREADY/JUST/YET)

We’ve _____ baked this cake. Come on, have a slice! (FOR/SINCE/ALREADY/JUST/YET)