________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
—Why are you staring at me?
—You look stupid! The way you wear is______ annoys most.
| A．which | B．where | C．how | D．what |
The girls______a game called Bomb happily when the teacher suddenly entered the classroom.
| A．played | B．were playing | C．are playing | D．had played |
If transport costs______into consideration at the beginning , the factory would have been built far from its present place.
| A．will be taken | B．were taken | C．had been taken | D．were being taken |
Both of the sofas they ordered online arrived, but______fit through the doorway.
| A．none | B．nor | C．neither | D．either |
Ballet is amazing; ______you go ,you are likely to find yourself going again and again.
| A．as | B．once | C．unless | D．while |