His experiment done in ______ summer of 1970 was ______ failure.
Mr. Reed made up his mind to devote all he had to ________ some schools for poor children.
The president is paying a _______visit to his neighboring country.
-Shall we go and have a picnic at the weekend? —________ It is said there might be snow then.
I was coming to your party but my car’s gone wrong. Now I can’t ________it.
More and more problems appeared ________the increasing use of short messages sent by cell phones.