_______ in the 1800s and first mass-produced in Germany, the harmonica(口琴) was designed to play simple folk tunes.
#96728
A
Being invented
B
Inventing
C
Invented
D
Having invented
推荐题目
_____ to sunlight for too much time will do harm to one's skin.
#98082
A
Exposed
B
Having exposed
C
Being exposed
D
After being exposed
China is a country ____the Third World, _____ means her economy still needs developing very much.
#92801
A
belongs to, that
B
which is belonging to, that
C
belonging to, which
D
belong to, which
______at in this way, the present situation about birds flue doesn’t seem so disappointing.
#98888
A
Looking
B
Looked
C
Having looked
D
To look
The bird was lucky that it just missed __________ .
#94427
A
catching
B
being caught
C
to be caught
D
to catch
Ladies and Gentlemen, please remain until the plane has come to a complete stop.
#94780
A
seated
B
seating
C
to seat
D
seat