13. It’s already 9 o’clock and Mother _____ step in any moment.
#93824
A
probably
B
is possible
C
is likely to
D
is probable to
推荐题目
________Chinese culture with overseas cultures is a challenging job, but you will learn a lot from it. 
#93106
A
Comparing .
B
Having compared .
C
Compared .
D
Compare .
(2013·厦门质检)Hardly ________ twelve when they realized that it was too late to catch the last train.
#91952
A
the clock had struck
B
the clock had been struck
C
had the clock been struck
D
had the clock struck
________, the boy couldn’t enter his house. 
#94032
A
Since the key has lost
B
The key been lost
C
Lost the key
D
Having lost the key