2013年英语四级习题与答案（4）：1. At this moment, they are still __________ with many economic problems.A. centeredB. believedC. referredD. confronted，答案：D。
1. At this moment, they are still __________ with many economic problems.
2. The conference was ____________ by one hundred experts in this field.
3. It is believed that _______ spending will certainly lead to the bankrupt.
4. With a _________, he didn’t care about what his friend said.
5. The guests are often very well _________ by the host in that city.