Some blood types are quite common, others are regionally , and still others are rare everywhere.
#11203
A
distributed
B
contributed
C
obtained
D
Convinced
推荐题目
Teachers words and deeds always _______ a great effect _____their students.
#13184
A
have, on
B
give, to
C
make, on
D
take, to
The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted.
#11843
A
unless
B
until
C
since
D
however
Don’t defend him any more.It’s obvious that he________destroyed the fence of the garden even without apology.
#11031
A
accidentally
B
carelessly
C
deliberately
D
clumsily
It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
#12485
A
symptom
B
shadow
C
treatment
D
convenience
Ten minutes later，a bus________and everybody got on it.
#13149
A
came up
B
added up
C
looked up
D
put up