He doesn’t know ________ they will plant trees on Saturday or not.
#39074
A
weather
B
whether
C
if
D
that
推荐题目
______ to improve our environment?
#36394
A
What do you think we should do
B
Do you think what we should do
C
What do you think should we do
D
Do you think what should we do
Excuse me! Can you tell me____next?
#36384
A
how to do
B
what should we do
C
what we should do
D
how we should do
—Can you tell me _________________?—Sure , she is a nurse in No.1 hospital .
#38723
A
what your mother is
B
what is your mother
C
who your mother is
D
who is your mother