Listen, Do you hear someone _____for help?
#92391
A
calling
B
call
C
to call
D
called
推荐题目
We are invited to a party __________in our club next Friday.
#94380
A
to be held
B
held
C
being held
D
holding
. _______ different kinds of pianos, the workers farther improved their quality.
#97438
A
To produce
B
Being produced
C
Produced
D
Having produced
Tom took a taxi to the airport, only ________ his plane high up in the sky.
#94209
A
finding
B
to find
C
being found
D
to have found
There are many talented actors out there just waiting _______.
#90770
A
to discover
B
to be discovered
C
discovered
D
being discovered