Which of the following can’t we use when we make a telephone call?
| A．Who’s that? | B．Who’s calling? | C．Who’s speaking? | D．Who are you? |
—Scott, why do you like your music teacher, Mr. Cruise?
—Because he’s so _____________.
| A．interesting | B．easy | C．boring | D．late |
Bob and David are friends. __________ of them work in the art club as volunteers.
| A．All | B．Both | C．Each | D．Every |
Which of the following is the official mascot(吉祥物) of the 2014 FIFA World Cup?
Jenny, I can’t go hiking with you __________ I have to help my mum with housework.
| A．so | B．but | C．because | D．unless |
—___________ did you buy your e-dictionary, Frank?
—Two days ago.
| A．Why | B．When | C．How | D．Where |