--- ______ do you improve your listening skills? --- I improve it _______ listening to tapes.
| A．How; with | B．What; by |
| C．How; by | D．What; with |
We all like playing sports, so ______ students ______ basketball every day.
| A．the number of; play | B．the number of; plays |
| C．a number of; play | D．a number of; plays |
The water is not ______. Add some more sugar, please.
| A．crispy | B．sweet |
| C．salty | D．Sour |
The MP3 is used for _______ music.
| A．listen to | B．listening |
| C．listening to | D．Listen |
–Where is my pen?
--Oh, sorry, I have taken yours ____mistake.
| A．by | B．to | C．with | D．In |
They have a _____ daughter and the girl is very good at her school work. They all take pride ______ her.
| A．15 years old; with | B．15-year-old; with |
| C．15 years old; in | D．15-year-old; in |