He remained calm ________ nothing had happened,______ astonished all of us.
#70078
A
as though; which
B
as if; what
C
even if; who
D
so that; that
推荐题目
Tomorrow is Sunday. Jim will go hiking with his friends if it ________.
#41360
A
isn’t rain
B
doesn’t rain
C
won’t rain
D
don’t rain
Though the key was pressed, nothing ______ on the screen.
#41230
A
appeared
B
was appeared
C
appears
D
is appeared
While having our dinner, _______. 
#68160
A
the door bell rang
B
our newspapers came to the door
C
we heard the door bell ringing
D
the postman brought several letters to us