The International Day against Drugs, aimed at warning people to keep away from drugs， _________ on June 26th every year．
| A．taking place | B．takes place | C．took place | D．taken place |
—Do you know _______ they got to know each other?
—It was last year_______ they both taught Chinese in Scotland.
| A．When it was that, when | B．when it was that, while |
| C．When it was that, that | D．When it was that, as |
At the meeting they discussed three different ________to the study of math.
| A．approaches | B．methods | C．means | D．ways |
It seemed only seconds ________ the boy finished washing his face.
| A．the moment | B．since | C．after | D．before |
They are walking down the way _______ there are many trees on ______side.
| A．that, both | B．in which, either |
| C．on which, either | D．/, neither |
_______ from father to son, the music has not changed for centuries.
| A．Passing | B．Passed | C．Having passed | D．To pass |