149.He would have finished his college education, but he _______to quit and find a job to support his family.

154.It is absolutely essential that William________ his study in spite of some learning difficulties.

153.________at in his way, the situation doesn’t seem so desperate.

152.It is not uncommon for there _______problems of communication between the old and the young.

151.Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat to the human race than environmental destruction.

150.The research requires more money than ________.

149.He would have finished his college education, but he _______to quit and find a job to support his family.

148.The student said there were a few points in the essay he _______impossible to comprehend.

147.The committee has anticipated the problems that ________in the road construction project.

146.It is not ______much the language as the background that makes the book difficult to understand.

145.She _____fifty or so when I first met her at the conference.