Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
I used to drink a lot of tea but these days I ______ coffee.
--- What do you think of this kind of TV set, which ______ in Shanghai?--- Well, I don’t care about such things.
Don’t bother to look for my dictionary --- it ______ some day.
I know Mr. Brown; we ______ to each other at an international conference.
--- I will come to attend your lecture at 10:00 tomorrow. --- I’m sorry, by then my lecture will have ended and I ______ my guests in my office.