1 . So many closings, evacuations, shutdowns, ___ emergency response teams, the heroes of 9/11, the country virtually stopped what it was doing and gathered around TV screens.

A．except that

B．except for

C．besides

D．besides when

2 . The Grand Theatre in Shanghai is open to visitors during the daytime ________ there is a performance going on.

A．when	B．except for
C．except when	D．except