It is well known to us all ____ China sent up a manned spaceship to outer space successfully last year. 
#73136
A
that
B
what
C
which
D
when
推荐题目
 As ________ , they were waiting for us at the airport.
#72523
A
plan
B
planning
C
being planned
D
planned
 When travelling in America, we stayed in a quiet hotel, __________.
#66597
A
next to it was a thick wood
B
next to which was a thick wood.
C
next to it there was a thick wood
D
next to which a thick wood was
I _______ to the party if I________tomorrow.. 
#68072
A
will go; will be invited
B
will go; am invited
C
go; will invite
D
go, have been invited