Jack is good at drawing. I think no one draws __--
| A．better | B．best | C．worse | D．worst |
How kind you are! You always do what you can ________ me.
| A．help | B．helping | C．to help | D．helps |
---I have finished my homework already, Mum.
--- When ________ you ________ it?
| A．did; finished | B．did; finish |
| C．have; finished | D．were; finishing |
Lucy is ________ girl of the twin sisters.
| A．tall | B．taller | C．the taller | D．the tallest |
---How did you work out the difficult chemistry problem?
--- I worked it out by ________.
| A．working with a group | B．think very hard |
| C．ask the teacher for help | D．doing oneself |
By the time we rushed to the hall, the party ________ for ten minutes.
| A．had begun | B．began | C．was on | D．had been on. |