Is that _________ sister, Dave? — No, it isn’t. She is my friend.

Would you like _______ orange juice? —Yes, please.

It’s 12 April today. Have they found any useful information about the plane’s black box?—Flight MH370? Yes, but it’s difficult to decide where the black box really is.

Although you have lots of difficulties, you must _______your work.

My English teacher stands between sally and _______ .