—It smells terrible. What has happened here?—Look, there is a chemical factory_____ much waste gas.A. pour B. pouring C. poured
The box was too heavy for me to carry, ___I pulled it into my room.
The computer is broken. ___ it___ today?
Alice explains things very well, what she says can be understood very ___.
—The bread is delicious. —It must taste ___ with some jam in it.
Jack is a famous writer. ___new book is very popular.