下列各句中，没有语病的一句是（ ）

Only when people have enough to eat and plenty to wear ______ to talk about environmentalprotection.[ ]

Yesterday, I saw _________ enjoy _________in the park.

e the exit, many fans waited for the greatpop singer, ____to take a picture with him

Team leaders must ensure that all members theirnatural desire to avoid the embarrassment associated with making mistakes.