—You were out when I dropped in at your house yesterday.—Oh, I________ for a friend from Beijing at the railway station.
--- I’m sorry I broke the vase. --- Oh, _____. It wasn’t very expensive.
It rained heavily in the south,________ serious flooding in several provinces.
Bring the plants into a warm room _____ they will soon open.
When I got home, I _____ I had left my wallet in the taxi
The two men are so alike that strangers find _____ difficult to tell one from the other.