Daming, is this your pen— Yes, It’s _______ pen. Thank you!

Tom put his heart into the wildlife research, and finally, his efforts ________ him great success and fame.[ ]

I like___color of your skirt. It is___good match for your blouse.

What should I wear for the party?—It’s an informal one; it doesn’t matter ____ you’re dressed.

She _____ your birthday party, but she had to look after her mother in hospital．