This is one of the problems_____ at the meeting at present.
#94802
A
discussed
B
discussing
C
to be discussing
D
being discussed
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     into the school basketball team is a great pleasure for me. 
#96866
A
To accept
B
Accepting
C
Being accepted
D
Accepted
According to the engineer, there remain some tests _____ before the machine is put into operation.
#91175
A
carrying out
B
carried out
C
being carried out
D
to be carried out
 ---- What do you think made Mary so upset ?---- __________.
#96851
A
As she lost
B
Lost
C
Losing
D
Because of losing