All the students in this school are required to____ at least two lectures on how to study every month.
#13074
A
attend
B
take park in
C
join in
D
go in for
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If the time is    ________    exactly, the paper can be finished on time.
#11124
A
made out
B
figured out
C
carried out
D
put out
I really appreciate_____ to help me, but I am sure that I can manage by myself. 
#12971
A
you to offer
B
your offering
C
it to offer
D
it offering