The conference aims to develop business and let people think about _____ they can have a
positive influence on the planet．
| A．why | B．that | C．what | D．how |
Tom is ___ 8-year-old boy.
| A．the | B．a | C．/ | D．an |
What ___ wonderful time we had yesterday!
| A．a | B．the | C．/ | D．an |
We go to school from Monday to Friday, and go to ___ cinema on Saturday or Sunday.
| A．a | B．the | C．an | D．/ |
____ horse is ___ useful animal.
| A．A, an | B．The, the | C．A, the | D．The, a |
This Sunday I'll go swimming with___.
| A．the Smith brothers | B．the Smith’s brothers | C．the Smiths brothers | D．the brothers of Smith |