It is impossible for ______ little children to do ______ much work within 20 minutes.
| A．so, so | B．so, such | C．such, so | D．such , such |
— What do you think of the book?
— Oh, excellent. It is worth ________ a second time.
| A．to read | B．to be read |
| C．reading | D．being read |
He has given me ________ help, so I can make such great progress in Physics.
| A．a little bit | B．a great deal |
| C．a number of | D．a great deal of |
— How is your English study?
— Not bad. But I ________ learning English grammar.
| A．am interested in |
| B．am good at |
| C．have a little difficulty |
| D．have no difficulty |
— Are you going anywhere?
— I ________ about visiting my cousin, but I have changed my mind.
| A．think | B．have thought |
| C．will think | D．thought |
If you successfully complete a difficult task ________ hard work, you’ll become confident.
| A．by | B．through | C．with | D．in |