139.　　 When the first settlers came to North America they had to ________ the forest and found a way out.

138.　　 They will get a new bath _________.

137.　　 Xiao Wang is getting on well with his classmates, for h is easy _______.

136.　　 Thank you for the trouble you _________ to help us.

135.　　 What he says and does ________ not agree.

134.　　 The chief was being searched for by the police who ________ running after.

133.　　 When we breathe, the oxygen in the air with our blood and gives us life.

132.　 He _______ his son to stay home in such bad weather.

131.　　 During the years _______, he worked as a doctor in the hospital.

130. It was ________ who respected their teachers.