.(陕西卷17). John opened the door. There _____ he had never seen before.
I'm afraid he’s more of a talker than a doer, which is ____ he never finishes anything.
They are broadening the bridge to ____ the flow of traffic.
The two girls are so alike that strangers find ___ difficult to tell one from the other.
Find ways to praise your children often,____you’ll find they will open their hearts to you.
---I’m sorry I broke the vase. ---0h.______.It wasn’t very expensive.