After Ya’an earthquake the school practiced an emergency drill showing the children how to find their “safe place”____.
26.—Can you make out who is the older one?—The twins were born so _______ that it’s difficult to tell them apart.
25.It is reported that a great many villagers were killed in the explosion, and only a few _____it.
24.When Tom was very young ,he was ______ skateboarding, ______worried his parents a lot.
23._______the teacher behind me, I didn’t have to worry. He was sure to lend me a hand.
22.If we know more about _______causes the problem, we may take measures before it is _______late.