_____ three influenza type A virus subtypes（子类型） have been found in pigs．

_____ three influenza type A virus subtypes（子类型） have been found in pigs．

#27191

By far

As far as

So far

Till far

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Why were you absent ___ school yesterday?

#28170

from

for

Good friends as we are, I still find her difficult to understand ________.

#27428

at one time

at a time

at times

at the time

Has some bad thing happened to her？It’s________her to drink so much.

#25142

dislike

unlike

alike

According to the embarrassing situation here, I’m afraid that your arrival at present is not quiet ________.

#25572

in practice

in demand

in place

in turn

After the earthquake, the injured were cared ________in the hospitals or taken by air to the hospitals in the neighbouring cities．

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for

after

with

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