often ________ the words I don’t know in the dictionary or on the Internet. [ ]

How is the _______ in Tiandong— It’s getting worse and worse. There are always long lines of cars on roads.

There is little water left in the bottle, ______ — No, we need to buy some more before we run out of it.

I’ve visited a lot of different places and stayed in lots of different hotels, but none of them ___this one.

TheUnitedNations____in1945.