__________ hat is it? Sorry, I don’t know.
| A．Who’s | B．Whose | C．What colour | D．Where |
______ on real ice is very exciting.
| A．Skate | B．Skates | C．Skated | D．Skating |
Why, you look stressed out!
| A．exhausted | B．happy | C．unhappy | D．sad |
When I can’t work out a problem,I often ask my teacher for help.
| A．help your teacher | B．call your teacher |
| C．turn to your teacher | D．go to your teacher’s office |
It’s said that he started his own firm when he was only 24.
| A． built | B．established | C．invented | D．created. |
The strategies that Tom came up with worked out fine.
| A．think up | B．thought up | C．thought out | D．came out |