1.Weusedthemoneyasecond-handcar.A.tobuy;todriveB.buy;todriveC.buying;drivingD.buys;drives2.Theydecidealettertheirthanks.A.towrite;expressing(表达）B.writing;expressC.write;expressedD.towrite;express

Question

1.We used the money _ a second-hand car _ .
A.to buy;to drive B.buy;to drive
C.buying;driving D.buys;drives
2.They decide _ a letter _ their thanks.
A.to write;expressing(表达）
B.writing;express
C.write;expressed
D.to write;express

Answer 1

1 A.use sth to do sth 是固定短语,意思是用某物来做某事.第二个空to drive表目的,做目的状语.目的状语通常都用不定式.
2 A.decide to do sth 决定做某事.第二空是伴随状语,用ing形式.