The book on how to learn foreign language is _____ reading ,so my teacher advised me to ____ it from the school library.

However hard he tries，the recorder

Iraq has _____ too many wars since 1990s, making his people _____ a lot.[ ]

t ______ research intoheart disease and its effects on the body, we do not have adequate substitutesfor the use of animals.

I told you that he would come to see you. — Actually I had little doubt _________ it was true.[ ]