---Do you know about a very popular toy--- the yo-yo(悠悠球)?
---Yes. Filipinos(菲律宾人) invented it ________ accident. And it ________ helping kill animals.
| A．at; used to | B．on; was used to |
| C．by; used for | D．by; was used for |
Look at my new dress, Mum. Does itme?
| A．look like | B．look well | C．look good on | D．look up at |
Practice makes perfect. It is _______ of becoming a successful learner.
| A．one of the secret | B．one of the secrets |
| C．one of secret | D．one secrets |
The box was _________ heavy for me ________ lift.
| A．so, that | B．too, to | C．such, that | D．enough, to |
Watching English movies isn’t a bad way to learn English because learners can watch the actors ________ the words.
| A．said | B．say | C．to say | D．to saying |
－ Do you know _______? －At 8:00 a.m.
| A．who to talk with | B．when to have a meeting |
| C．what to do next | D．where to go swimming |