We still don’t know what _________ while we were away from home.
#53337
A
had happened
B
was happened
C
has happened
D
happened
推荐题目
If you can’t read the new words, you may __ in the dictionary.
#60426
A
look it up
B
look up it
C
look them up
D
look up them
Before an exam, I always ________ my notebook. 
#59227
A
look up
B
look after
C
look for
D
look through
The woman has something wrong with her eyes and has to have them _________.
#60529
A
operated
B
operated on
C
operate
D
operate on
It makes him ____.
#61206
A
feel angrily
B
feel angry
C
to feel angry
D
feeling angry