This kind of desk can be _______ to the height you need. Besides, it is not expensive at all.
—Look, John‘s fallen asleep at work! —Oh, he must have ________ late last night.
—Won't you go shopping with your mother? —No.________ she promises to buy me a new sweater.
The result is very important.It is supposed ______ a secret between you and me.
Knowledge and learning are important if we want to be successful, but they may also ________our thinking.
The harder you ________, the better progress you ________.