Jane is supposed to stop working. She has a serious headache because she ______ all the morning .
I cannot thank you ________ much. I might never have been admitted to such a famous university but for you.
We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.
—Oh, I've just locked my keys in my office again. —You're always so careless, but ________ let's see what we can do about it.
—Language learning is much ________ for children. —Yeah, I quite agree. Their minds are more flexible.
With the help of the high technology, this year the factory has produced ________ it did last year.