It is said _________ was how Chinese characters developed.
| A．that | B．that which | C．that that | D．what |
I would appreciate ______, to be frank, if the goods could be delivered as soon as possible.
| A．you | B．this | C．it | D．myself |
I don’t want to ____ someone else’s children.
| A．adopt | B．adapt | C．adept | D．None |
Paul doesn't have to be made________ .
| A．study | B．to study | C．studied | D．studying |
I can’t _ __it when people speak with their mouths full.
| A．live | B．stand | C．keep | D．take |
This book is worth ______ .
A to read B．reads C．read D．reading