37. People think that there are too many obstacles to peace.
A. It is thought that there are too many obstacles to peace.
B. It was thought that there are too many obstacles to peace.
C. It is thought that there is too many obstacles to peace.
D. It is think that there are too many obstacles to peace.
38. Although it was raining heavily, all the guest came.
A. In spite the heavy rain, all the guest came.
B. In spite of the rain heavy, all the guest came.
C. In spite of the heavy rain, all the guest came.
D. Though the heavy rain, all the guest came.
39. “Where can I find more information about this?” he asked.
A. He didn’t know where find more information about that.
B. He didn’t know where to find more information about that.
C. He knew where to find more information about that.
D. He doesn’t know where to find more information about that.
40. We communicated mainly through letters and visits in the past.
A. We used to communicate through letters and visits in the past.
B. We used to communicating through letters and visits in the past.
C. We used to communicated through letters and visits in the past.
D. We didn’t use to communicate through letters and visits in the past.