When this new kind of virus broke out at first in Mexico, no one had the least idea that it would _______ so rapidly throughout the world.
—Whose advice do you think I should follow? —_________
.We tried to find___________from the storm , and we saw a tall tree , we took shelter under it .
Don’t be afraid of asking your teachers of help______ it is needed .
.The workers risked their lives to restore communications in the disaster-stricken areas , which were cut off______the powerful earthquake .
The child tiptoed quietly to the bird .______into the forest when he was about to catch it .