useful robot! It can help with the housework like a human servant.
| A．How | B．What an | C．How a | D．What a |
It’s hard to keep the house with three kids.
| A．cleaning | B．to clean | C．cleaned | D．clean |
Shanghai is one of__________ in China.
A. the largest cities B the largest countries
C. the most large cities D. the most largest countries
What’s your friend like?
| A．He likes running. | B．He is a teacher. |
| C．He is Tom. | D．He is handsome. |
They ______ the cat out for a walk now.
| A．needn’t to take | B．don’t need take |
| C．needn’t taking | D．don’t need to take |
—easy work it is!—If you work harder, it’ll get .
| A．What a; easiest | B．What; easier |
| C．How; harder | D．How a; easier |