The glass doors have taken the place of the wooden ones at the entrance, __________ in the natural light during the day.
| A．to let | B．letting |
| C．let | D．having let |
The director made two films last year，one of __________ was set in Chongqing．
| A．them | B．those | C．what | D．which |
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 |