.— What did you do on April Fool’s Day? — I played a trick _______ my brother.
| A．on | B．to | C．with | D．at |
We promise that we will never forget the human _______. We all love to live in peace.
| A．achievement | B．service |
| C．thought | D．spirit |
Jerry Lucas, _______ NBA star, used to be _______ university student.
| A．a; a | B．an; an | C．a; an | D．an; a |
--Thank you very much for showing me how to use the new mobile phone.
--- _______
| A．No problem. | B．Don’t mention it. |
| C．Never mind. | D．No way. |
---Could you tell me ______?
---About two weeks.
| A．how often are we going to be away |
| B．how often we are going to be away |
| C．how long are we going to be away |
| D．how long we are going to be away |
David may wonder ______ yellow was the colour of rulers in ancient China.
| A．that | B．whether | C．if that | D．where |