He kept smiling secretly and we were all wondering      that made him so happy.
#93986
A
how it did
B
what he did
C
how it was
D
what it was
推荐题目
It won’t be long _____ the island ________ to our motherland.
#94692
A
when, returns
B
before, will return
C
since, returns
D
before, returns
It is impossible for____________ little room.
#94999
A
so, such
B
so, so
C
such a, so
D
such, such
It’s clear__________ that a hard working student has___________ a great interest in science.  
#94994
A
不填; discovered
B
不填; developed
C
that; invented
D
that; developed