－You’ve dropped __________ “s” in the word “across”.
－Oh, you are right, __________ letter “s” should be doubled like this “cross”.
| A．a, a | B．an, a | C．an, the | D．the, a |
--- Joe, would you like to play _____ volleyball with us this afternoon?
--- Sorry, I need to practice playing ______ piano.
| A．a; the | B．the; a | C．不填, a | D．不填, the |
People have learned a lot from _______ / saɪən'tɪfɪk / studies.
| A．science | B．scientific |
| C．sight | D．sightseeing |
All of the books are worth ________ /'riːdɪŋ/.
| A．read | B．red | C．reading | D．reads |
To be _______ /'ɒnɪst/, I don’t think we have a change of winning.
| A．ought | B．said | C．honest | D．object |
I was doing my homework ________ /wen/my father came home.
| A．what | B．who | C．that | D．when |