Please remember to _____ a stamp _____ your envelopebefore you post it to your friend

Tom raised his handstosay something, but he remained silent in the end.

The beautiful sunset _____ our attention, and we stopped to watch it. [ ]

The manager was worried about the press conference his assistant ______ in his place but luckily, everything was going on smoothly

It was Martin Luther King’s struggle ______ helped black Americans to get equal rights.[ ]