I’m not a teacher in this school．I _____ until a new teacher arrives．
#101643
A
am just helping out
B
could just help out
C
just help out
D
have just helped out
推荐题目
In order to find the missing child, the villagers___________ all they can in the past five hours.
#101696
A
have been doing
B
did
C
do
D
had done
. These old buildings possibly __________ the Ming Dynasty.
#103505
A
dated back to
B
date back to
C
date back
D
are dated back to
—Have you ever been to Singapore?— Yes, I ____ there 3 times in 2009 alone.
#99248
A
have been
B
have gone
C
went
D
had gone
This is the first time went______ a film in the cinema together as a family.
#104948
A
see
B
had seen
C
saw
D
have seen
The first decade in the 21st century _______ the rapid rise of China as a world economic power.
#102847
A
witness
B
has witnessed
C
will witness
D
have witnessed