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It’s necessary for human beings to breath _______ and plants can produce it.
#17259
A
CO2
B
H2
C
O2
D
N2
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It’s nice _______ you _______ me with my lessons.
#16757
A
for, helping
B
for, to help
C
of, to help
D
of, helping
Math is a little difficult, but I still like it very much.
#17281
A
few
B
kind
C
kind of
D
a few
无论处于何处都须大写的字母是_________.
#16868
A
I
B
B
C
CT
D
X
—What's the woman in a white hat? —____________.
#17244
A
She is my teacher
B
She is a cook
C
She is thirty
D
She is a girl
— We plan to go out for a picnic next weekend. Would you like to come along? — ______. It’s my favorite.
#17207
A
Enjoy yourself
B
It doesn’t matter
C
You’re welcome
D
That would be very nice