The electricity ____, the light went out.
| A．cut off | B．having cut off | C．was cut off | D．had cut off |
________ advertisements are of great help, I don’t think we should entirely rely on them.
| A．Because | B．Since | C．Once | D．While |
Mary ____ be in Paris . I saw her a few minutes ago .
| A．mustn''t | B．shouldn''t | C．can''t | D．may not |
----I didn’t realize how popular the restaurant was until I made a reservation the other day.
----I beg your pardon, but when?
| A．was you realized it | B．it was that you realized it |
| C．you realized it | D．was it that you realized it |
--Mom, can we move into our new house this weekend?
---No, it _________.
| A．is painted | B．is painting | C．was painted | D．is being painted |
---- Why have you bought so much food ?
----My good friends ________ to stay with me for the weekend.
| A．are coming | B．have come | C．come | D．will have come |