—What were you doing when Lucy ________in yesterday?
—I had just finished my homework and ________to take a shower.
| A．dropping；start |
| B．had dropped；started |
| C．dropped；have started |
| D．dropped；was starting |
The teacher_____ all the students before him, telling them to get ready for the exam.
| A．collected | B．gathered | C．selected | D．elected |
The PLA soldiers came to the ruins of Yushu and after ______ seemed to be a long time, they helped some victims out.
| A．which | B．that | C．what | D．when |
_____adult as he is , he can’t stand _____ more embarrassing situation than this one.
| A．An; the | B．/; a | C．An; a | D．/; the |
. ----Oh my God! The guests will be here soon!
----______. I am sure that the room will be cleaned up in a minute.
| A．My pleasure | B．Take it easy. | C．Help yourself. | D．Not at all. |
I’ll never understand how it __________ that you were late three times a week.
| A．came up with | B．came across | C．came about | D．came out |