If a=”4,” b=”5,” what’s the answer to the question “ a + 2ab +1 =?”—.

______ are you staying there? —Just for two days. [ ]

Whose sweater is this? —It looks like Jean’s. Oh, yes. It’s _______.

Have you finished the work yet? — Not yet. I need two more days.

I want to visit England _____.　　 [ ]