你可能感兴趣的试题
the boy begins has the boy begun did the boy begin the boy began
The Eskimos do not suffer from colds all the time. Colds are not caused by cold. People suffer from colds just because they like to stay indoors. A person may catch a cold by touching someone who already had on
The Eskimos do not suffer from colds all the time. Colds are not caused by cold. People suffer from colds just because they like to stay indoors. A person may catch a cold by touching someone who already had one.
so, such so. so such, so such, such
has done had done will do was doing
The; / The; a A; the /; the
have; do has; does have; does has; do
the experiments on the common cold the fallacy about the common cold the reason and the way people catch colds the continued spread of common colds
湘公网安备 43130202000226号