Although, it's raining, ____are still working in the fields.
| A．they | B．but they | C．and they | D．so they |
When _______ this question, she keeps silent.
| A．asked | B．asking | C．to ask | D．being asked |
Why _____ join us in the game!
| A．not to | B．don’t | C．not to | D．not |
____a living, she had to work from morning till night.
| A．To make | B．made | C．Making | D．To have made |
Their plan was ____.
| A．success | B．succeed | C．a success | D．a successful |
____________, I’ll visit you next Sunday.
| A．If you are convenient | B．If it is convenient to you |
| C．If you’ll be convenient | D．If it’ll be convenient to you |