Next door to ours _______, who seem to have settled in this community for quite a long time.
| A．are living a black couple | B．are a black couple living |
| C．live a black couple | D．do a black couple live |
The fact _______ women can work as well as men is clear.
A. that B. which D. what D. whether
It’s none of your business ________ other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |
---May I smoke here?
--- If you ________, choose a seat near the window.
| A．should | B．could | C．may | D．must |
-- How’s your tour around the North Lake? Is it beautiful?
--- It ________ be, but it is now heavily polluted (污染).
| A．will | B．would | C．should | D．must |
It _____ we had stayed together for a couple of weeks ____ I found we had a lot in common.
| A．was until; when | B．was until; that |
| C．was not until; when | D．was not until; that |