Can you tell me _______ when I called you?
| A．what were you doing |
| B．what are you doing |
| C．what you were doing |
| D．what you are doing |
I have_________soccer ball, and I like to play_________soccer.
| A．a; the | B．the; 不填 | C．a; 不填 | D．The; the |
— What do you think of math?
— I find difficult to learn it.
| A．that | B．this | C．its | D．it |
Who is swimming, you or she?
| A．better at | B．better in | C．good at | D．good in |
I should in this talent show, because I really want to be the winner.
| A．try my best | B．enjoy myself | C．play a role | D．hang out |
Please some salt to the noodles.
| A．put | B．add | C．mix | D．make |