Don’t make any noise. The pandas        over there. 
#39700
A
are sleeping
B
have slept
C
will sleep
D
were sleeping
推荐题目
 Three bridges ________ over the river five years ago.
#36293
A
built
B
build
C
were built
D
are built
 Tom ________ a letter from Terry for a long time.
#42664
A
didn’t receive
B
hasn’t got
C
didn’t have
D
hasn’t heard
Mr Li ________ . 
#42495
A
teach me English
B
teach my English
C
teaches me English
D
teaches my English
The world _____ . Things never stay the same.
#38620
A
changes
B
is changing
C
was changing
D
will change