1)A --recently is correct recent times is awkward sheltering clearly states the purpose of igloos
2)C -- appear and made
3)C -- the statement requires present tense subject, ", and" gives a notion laws are subject so complex sentence concerned with gasoline powered vehicles needed. I think they is redundant also standards for looks better than standards of
Very good explanation about 3rd.
For 1st, I also think A is fine. But OA given is D.
For 2nd, my answer is also C, OA given is E. here we can reject that.
For 1st, do u think of any possibility that A could be wrong.
May be the use of participle.."sheltering"..?
Q1. Until recently, the Inuit people led a nomadic existence, sheltering in
igloos, the ice-block domes that are peculiar to north-central Canada,
and in structures made of stones, bones, driftwood, and skins.
A. Until recently, the Inuit people led a nomadic existence, sheltering
B. During recent times, the Inuit people lead a nomadic existence,
sheltering.
C. In the times that are recent, the Inuit people led a nomadic existence,
sheltered.
D. Up until recently, the Inuit people, leading a nomadic existence,
have sheltered.
E. Until recent times, leading a nomadic existence, the Inuit people
were sheltered.
Q2. New items developed for automobiles in the 1997 model year included
a safer air bag , which, unlike previous air bags, eliminated the possibility
that a burst of smoke would appear when the bag
inflated, and making an
already terrified passenger think the car was on fire.
A. inflated, and making.
B. Inflated, so that it could make.
C. Inflated and made.
D. Inflated and make.
E. Inflated to make.