1. My brother is quite sociable, but my sister is ___________in public
A. reserves B. reserving C. reserve D. reserved
2. He demonstrated his invention to the public at __________ exhibitions.
A. commercial B. speech C. suitable D. countless
3. Do Duy and you___________ learn Japanese?
A. himself B. yourself C. ourselves D. yourselves
4. ___________ is your Mom sick? – Because she worked hard.
A. How B. Why C. When D. Where
5. You must___________ the electrical sockets to avoid danger.
A. put B. destroy C. cover D. injure
6. My son hardly talks in public. He is quite___________.
A. sociable B. lucky C. outgoing D. reserved
7. What does your Dad___________?
A. like B. unlike C. looks like D. look like