黄系统的压力来源于

That warmhearted woman often helps （）      is in trouble.

（） their real economic situations, they got some relief fund
from the government.

You should complete in time    （）    the teacher has told you to.

No matter how frequently  （）     the works of Beethoven always attract a large number of people.

the flight to New York will be delayed is   （）     I＇m especially worried about.

Could you tell me if it  （）    tomorrow?

I heard that you really had a wonderful time at John＇s birthday party,   （）   ?

The fact came up      （）   specific speech sounds are recognized by babies as young as 6 months old.

There is little doubt  （）       her advice is of greater value to us.

Some of the scientists held the point    （）           the book said was right.