Languages across the world are becoming extinct ______ endangered mammals and four times endangered birds.
Trouble was expected at the football match, so the police truned out________force.
----May I use your new dictionary? I want to consult it. ----It’s over there.____.
The bomb______at 11:15 a.m. and killed 36 persons altogether.
------I thought I asked you to fix the radio. ------Oh, I’m sorry. I_______it right away.
_______different life today it is from ______was fifty years ago!