Our teacher looked here and there on the playground looking for something.A. even thoughB.

问题补充：

Our teacher looked here and there on the playground looking for something.

A. even though

B. as if

C. even if

D. only if

答案：

A. even though

(答案→)B. as if

C. even if

D. only if

解析：考查连词：A．even though即使，B．as if好像，C．even if即使，D．only if只有如果，

根据前面的looked here and there判断，我们的老师在操场上到处看“好像”在找东西，所以用as if。选B。