Hurry up,kids!The school bus ________for us!                   (2013·四川,3)
#105306
A
waits
B
was waiting
C
waited
D
is waiting
推荐题目
 My money ________.I must go to the bank to draw some of my savings outbefore I've none in hand.
#105320
A
has run out
B
is running out
C
has been run out
D
is being run out
Although the causes of cancer ____we do not yet have any practical way to prevent it.
#105341
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
7.Although the causes of cancer ____, we do not yet have any practical way to prevent it.  
#105343
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered