Your brother hardly goes to work by bus, doesn’t he? Some studies show that young babies prefer the smell of milk to those of other liquids

1. Your brother hardly goes to work by bus, doesn’t he?
A. Your brother B. goes C. by D. doesn’t he
2. Some studies show that young babies prefer the smell of milk to those of other liquids.
A. that young babies B. smell C.those D. other liquids
3. Diamond itself is the only material hard enough to cut and polishes diamonds.
A. itself B. only C. hard enough D. polishes
4. When the children are going to visit their grandparents, Henry and I will be going to Europe
A. When B. are going to visit C. and I D. will be going to
5. Albert Einstein was such brilliant a scientist that many of his colleagues had to study for several years in order to form opinions about his theories .
A. such brilliant a scientist B. many of his colleagues
C. to study D. several years