---Is Sarah coming ? --- No. She should have let us know earlier , but _______ she has been very busy recently.
#65434
A
to be sure
B
to be honest
C
to be fair
D
to be exact
推荐题目
New ways have been found to prevent the river ______.
#70821
A
not to be polluted
B
against polluting
C
from polluting
D
from being polluted
In the cross-lake swimming race, a boat will be ____in case of an emergency.
#84048
A
standing by
B
turning on
C
getting on
D
running on