1.a、should have arrived
2.a、concerned
3.b、of
4.a、getting your car started
5.a、more than
6.d、which
7.c、performing
8.c、Strong as he was
9.c、embarrassed
10.b、basically
11.c、connection
12.d、assure
13.b、on
14.c、commit
15.b、having been made
16.d、consistent
17.a、something