We all _______thanks to our dear mother on Mother’s Day.

We usually cover the Christmas trees ____ colour lights. [ ]

I won’t have time to go shopping with you this afternoon. — But you ________ me yesterday.

Is this your notebook? — No, it isn’t. Ask Bill. He is looking for _____.

I hear Mr. Zhang has gone to Beijing for a meeting. —Really? Do you know when he ______?