______ it is raining hard ， they are still working in the field.
| A．Because | B．As soon as |
| C．Though | D．Unless |
--__________the woman in black?
--She’s my mother.
| A．Who’s | B．How is |
| C．What’s | D．Who are |
-- Your blouse is very nice. --____________________.
| A．OK | B．No, it isn’t |
| C．Thank you | D．Yes |
--__________ is your aunt ?
--She’s a nurse.
| A．What | B．Who | C．How | D．Whose |
—Are Nick and Sally two new students ?
--_________________.
| A．No, they aren’t | B．They aren’t |
| C．Yes, they’re | D．They are |
This ________ Linda. ______ is my sister.
| A．is； He | B．is； She |
| C．are； She | D．are； He |