—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
My brother bought a teapot ________ like a Chinese duck, the price of which was much lower than expected.
Now I’m on the train to Weihai with my parents. At this time tomorrow I _______ on the beach.
Believe it or not, the matter, ________ we argued for a long time, was in fact related to our study.
The town _______ we visited last week is the one _______ the famous painter was born.
The bridge was built in memory of the adventurer who was believed ______ the valley.