When and where to build the new factory ____yet.
| A．is not decided | B．are not decided | C．has not decided | D．have not decided |
It was about ten minutes after we arrived at a small village __________ it began to pour down．
| A．when | B．where | C．that | D．how |
-- Mum，can I go on a holiday with my classmates this summer vacation?
-- OK．You __________ have a chance if you get along well with your studies．
| A．could | B．shall | C．might | D．must |
Not having found __________，he had to go home with empty hands．
| A．something | B．everything | C．anything | D．nothing |
At the top of the mountain，__________ to see the blue sky，the kids made cheerful noises of all kinds．
| A．delighted | B．delighting | C．having delighted | D．delight |
Parents are advised to put books __________ they are easily accessible to children .
| A．which | B．where | C．in which | D．who |