The research is so designed that once________nothing can be done to change it.
| A．begins | B．having begun |
| C．beginning | D．begun |
—Have you seen _________ watch? I left it here this morning.
—I think I saw one somewhere. Is it _________ new one?
| A．a；/ | B．a；the | C．the；a | D．a；a |
The book _____ he bought yesterday is very interesting.
| A．\ | B．why | C．when | D．what |
In some parts of London, missing a bus means __________ for another hour.
| A．waiting | B．to wait | C．wait | D．to be waiting |
－Oh, it’s you, Steve! I ______ you.
－No surprising. I’ve just had my hair cut.
| A．don’t recognize | B．haven’t recognized |
| C．didn’t recognize | D．hadn’t recognized |
Agriculturalists are very popular with the farmers as they are________ agricultural science and technology.
| A．in great need of | B．in greatly need of |
| C．greatly need of | D．very much need of |