He tried his best to solve the problem, ______ difficult it was.
| A．however | B．no matter | C．whatever | D．although |
-__________ for you?
-How about next Friday?
| A．When do you think it is convenient |
| B．Do you think when it is convenient |
| C．When do you think is it convenient |
| D．Do you think when is it convenient |
He is one of my students and always come to see me whenever __________.
| A．he is convenient |
| B．he will be convenient |
| C．it is convenient to him |
| D．it will be convenient to him |
I Come and see me whenever __________.
| A．you are convenient |
| B．you will be convenient |
| C．it is convenient to you |
| D．it will be convenient to you |
-Oh, look! Our school campus is under construction.
-Yes. And the large library __________，too.
| A．is built |
| B．is being built |
| C．has been built |
| D．is building |
-The new museum of art is an unusual __________.
-But it is designed by a very young architect.
| A．position |
| B．category |
| C．construction |
| D．contribution |