语法词汇练习 语法大全 语法详解 英语听力 
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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In ancient China, Huabiao was set up to encourage people to carve _______ on.
#17258
A
their names
B
the good things
C
the Emperors’ names
D
their suggestions
The underlined part in the word “escaped” is pronounced as_____.
#17109
A
[it]
B
[t]
C
[d]
D
[id]
There is______  “u” and ______“r” in the word “umbrella”.
#17225
A
a, a
B
a, an
C
an, a
D
an, an
I’m Jack Brown. Brown is my ____________ name.
#17251
A
English
B
first
C
last
D
second
—Where have you been these days?—I have been to Bei Daihe with a friend      .
#17283
A
in Chinese
B
of Japan
C
of American’s
D
from Canada