For questions 16 to 19, choose the correct words

to complete the following texta
Mechanical harvesting of pecans occurs in fall
between October and December after hulls have
started to dehisce. A hydraulic shaker is used 10
shake each tree to dislodge nuts. Shakers
(16) ___ __ have padded arms which ciamo to
tree trunks. Nuts are mechanically swept into
Windrows, where they (17)
by
a mechanical harvester. The hulls are then
(18)
from outs at a huiling facility
After hulling, nuts are typically dried to 4%
kernel moisture ar 75°F, with relative humidity below
60% and moderate air flow. Pecan nuts can
(19)
for to one year af 32 to 34'F.
Nuts should be frozen if they are stored longer than
one year.

16. A gradually be B. rapidly
C. previously. D. typically
Estraight long
8. are picked up
D. is picked up
17. A pick up
c are picking up
E being picked up
18. A. used
united
separated
39. A. storo
be stored
been stored
6. mixed
divided
B. are stored
D. be storing​

For questions 16 to 19, choose the correct words