SAT grammar questions!help pls!
1) our team has worked for several "months on a robot for the science fair that we plan on entering in the robotics division"
a) months on a robot for the science fair that we plan on entering in the robotics division
b)months on a robot that we plan to enter in the robotics division of the science fair
为甚麼不是A?
2)Gothic architecture is a style of "architecture,associated particularly" with cathedrals and other churches,that flourished in Europe during the Middle Ages.
a) architecture,associated particularly
c) architecture,in particular associating
the answer is A,why not
3) Tell me where you have been and "an account of" your activities there
b)your accounting of
c)what you account of
e) give me an account of
the answer is E,why?
4)Because of pleading in vain for improved maintenance services,the tenants refused to pay rent until the landlord agreed to make the much-needed repairs.
a)Because of pleading in vain for improved maintenance services,the tenants refused
b)Having pleaded in vain for improved maintenance services,the tenants refused
the answer is B,why not