He tried to deal with the increasing burden of his work, but he finally________and had to take acomplete rest.[ ]

Hi, Samantha! When did you arrive in Leeds? — Last week, I ___________ a different culture since then

She for the professor who was ill. [ ]

After the long journey, the three of them went back home, ＿＿＿＿＿＿ .

Where _______ the guidebook? I can’t see it anywhere.—- I _______ it right here, but now it’s gone