—Just a minute, Tom. Is this the report you need to hand in today?—Oh, yes, Mum. I thought I had put         in my school bag. Thank you.

Our company is seeking for a manager, especially ______ with creativity and imagination.

The nutrients in _____falls into the ocean quickly become available to other living creatures.

Some students found _____ hard to study English well .  

The boss suggested to Jessica strongly that she should have a good time, but    didn’t help.