He doesn’t know_______.
#37740
A
to do what
B
to do how
C
what to do
D
how to do
推荐题目
—Can you tell me ________ to send this postcard to New York by airmail?—Let me check. Oh，it’s one dollar.
#39022
A
how long it takes
B
how much it costs
C
who can help me
D
if there’s a post office
- You look worried. What's the matter? - I have some problems with my parents. I really don't know_______.
#37774
A
who to speak
B
who speaks to
C
who to speak to
D
who speaking to
You can’t imagine ______ when I received your letter.
#79008
A
how excited I was
B
how excited was I
C
how I was excited
D
I was how excited
— What a beautiful dress！Can you tell me _______?— Just the day before yesterday.
#37998
A
when do you buy it
B
when you buy it
C
when you bought it
D
when did you buy it