—Where is Jack? —I noticed that he ________the teacher’s office just now.
#38399
A
went into
B
goes into
C
was going into
D
is going to
推荐题目
The World Expo (世博会) ____________ in Shanghai now. 
#42723
A
being had
B
is having
C
is holding
D
is being held
____ you play ____ piano ____ when you were young?
#41986
A
Can, /, good
B
Could, /, well
C
Could, the , well
D
Can, the, good