We're going to litter in the park next Sunday.

A.collect
B.share
C.choose
D.lose
【答案】A
【解析】句意为:下个星期日我们要去公园收集垃圾。collect意为“收集”;share意为“分享”;choose意为“选择”;lose意为“失去”。根据语境,故选A项。
2 辨析 above all first of all 与 after all 的用

例1

—We should help the disabled as much as we can.
—I agree. , we should keep in touch with them more often.

A.Such as
B.So far
C.As usual
D.Above all
【答案】D
【解析】句意为:——我们应当竭尽所能帮助残疾人。——我同意。首要的是,我们应当与他们更常保持联系。such as 意为“例如”,后不加逗号且不能接句子;so far 意为“到目前为止”;as usual 意为“像往常一样”;above all 意为“首要的是”。根据语境,故选 D 项。

例2