Chose the correct word 1.i haven't booked my plane ticket to thailand just\yet. i'll do it tomorrow. 2.i haven't seen arkady since\for last week. 3.he taught in india since\for 2 years. 4.she's already\since left for moscow. 5.he's yet\just sent the email and is waiting for an answer.
2) since
3) for
4) already
5) just