We believe the time and hard work _______ in completing such an important project are worthwhile.
Hannah was busy with work then but she still tried her best to some time from her tight schedule to visit her mother.
Success _________three key factors: diligence, talent and luck, of which the first one is of great importance .
These companies succeeded because they were the first companies to make use of the ____________ of the internet and was thought highly of by some experts.
Don’t expect too much of him. After all , he is a child of ______ intelligence.
The school often ______ many books and magazines for the teachers to refer to.