Hawking became world-famous in _______.his thirties in the 1970’s the thirties in his 1970his 30s in 1970’sthe thirties during the 1970
Studies show that _____ good health depends on _____ balanced diet and plenty of rest and exercise.
-Have a picnic this weekend? _____ I'd like to go out for a rest.
-How do you Like the book? -It's quite different from______ I read last month.
Most morning reading classes should be made use_______ English better.
-Are you familiar with the music? -Yes. There was a time _____ this kind of music was quite popular.