It’s hard to ________ this kind of plant. You have to water it every day.

Excuse me, where is Mr Brown’s office?—Sorry, I don’t know. I ______ here for only a few days.

We will arrive _____ the city _____ April 20th. [ ]

Excuse me, I want to buy some stamps. Where can I find a post office? — I know ______ not far from here. You can find ______ without difficulty.

This type of MP5 is so expensive that I can’t ______ it.