看一看,读一读,选一选。
1.It __________ (was/wasn’t) young then
It __________ (is/isn’t) old now.
2.They __________ (were/weren’t) dirty then.
They __________ (are/aren’t) clean now.
3.She __________ (was/wasn’t) fat then.
She __________ (is/isn’t) thin now.
4.Her hair __________ (was/were) short then.
Her hair __________ (is/are) long now.