Charlie ______ be really difficult at times even though he’s a nice person in general.

What time does he ________ TV—At eight o’clock.

How do you find Xiamen, Cathy? — It’s beautiful coastal city. I have ____ it for my next holiday.

Do you want to buy the pet dog— No, I don’t have _________ to buy it now.

The young pioneers kept on working in the fields ________ they felt tired and thirsty.[ ]