If there"s a lot of work , I'd like to keep on until it is finished.
| A．do | B．to do | C．done | D．doing |
A. have B. fast C. thank
Mary with her mother often_______to the zoo on Saturday.
| A．go | B．goes | C．to go | D．going |
John,can you___it in English?
| A．tell | B．say | C．speak | D．talk |
My son is_____a book in his room.
| A．looking at | B．watching | C．reading | D．seeing |
I_____ a bird________the tree.
| A．look at, on | B．see, in |
| C．watch, on | D．see, on |