(2009天津河东一模)Some students are net surfing．which does great harm to their physical and mental health
#83670
A
addicted to
B
related to
C
addicting to
D
relating to
推荐题目
In 1938, Hitler _________ war against Poland, which started the Second World War.
#70658
A
declared
B
stated
C
broadcast
D
advertised
Only by _______ your attention _______ what you are learning can you learn it well.
#73386
A
concentrate; on
B
pay; on
C
concentrating; on
D
paying; on
—I wonder how much you _______for your services. ---Well, the first two are free while the third costs $30 .
#67288
A
bargain
B
charge
C
offer
D
donate
—Where is you pencilbox,Tom?—I’ve __________ it for this kite.
#82236
A
afforded
B
collected
C
picked
D
traded
My cousin doesn’t know what to ______ at the university; he can’t make up his mind about his future.
#71277
A
pick up
B
speed up
C
take up
D
put up