Using the coorrect form of the verb

1.Since I(arrive)...at his house,I (not meet)...his father 
2.Mary(not/wear)...her gglasses at that time,số she (not/see)...What color the man's T'shirt was
3.If my father (not/pick )...me up,I (take )...the bus home. Luckily,he did
4.What her father (do)...while (be)...in the kitchen yesterday?