I called you last night, but no one answered me.—Oh, I________ a shower.

I found there was only one copy of “Bighead Son and Small-head Father” on the bookshelf, so I decided to buy _______ at once.

Is Mr Brown famous ______ his poems? —Yes, but he isn’t known _______ a poet. [ ]

My mother’s birthday is ______ April 5,1965. [ ]

Do you know ______ this dictionary belongs to? — Let me see. Oh, it’s _______.