---You may find the key to the maths problem on page 107 . ---Ah, it’s so simple . I wonder why I of that .
We had tried everything to improve their living conditions,but it made little .
Would you like to go shopping with me tomorrow?,I will do some shopping alone.
You can’t be too careful; this kind of cloth_____.
He is really an excellent doctor and he is _____ to becoming an expert in this field.
The boy student is poor in health now; his parents wish that his health _____when he grows up