161．We should read between the lines to find out the meanings that are hidden beneath the words.（implied）

162．The servant always keep his duty in mind.

163．I absolutely enjoyed the archery，too，but the horse races were my favourite part.
Definition
Sentence

164．He have apologised to his wife，for they have already made up.

165．Astronaut Scott Kelly has been living on the International Space Station （ISS） since March 28，2015.And just like any other home，the ISS requires some housekeeping，in the form of regular work and repairs.
   That is why Kelly and his partner Kjell Lindgren performed activities，outside the station on Wednesday.（1）It was the first spacewalk for both men.
   The ISS has been in continual use for 15 years，and has hosted over 200 people，including astronauts and private tourists.During their activities，Kelly and Lindgren did basic electrical work，such as attaching new wires that would provide power to docking ports（接軌艙門） on the station. （2）Also，the two astronauts fixed a thermal（熱的） cover on a key scientific instrument on the station to protect it from the freezing temperatures of space.
   （3）However，Lindgren dealt with some of the more challenging parts of the job a s he has longer arms than Kelly.During a spacewalk，the simplest work becomes a difficult task.Kelly and Lindgren spent months training and practising for the operation.The preparation began in NASA's Neutral Buoyancy Lab（NBL）. （4）
   （5）While each suit is built to fit perfectly on the astronaut who will wear it，adjustments need to be made right up to the time when the spacewalk begins.The adjustments address any changes in the astronauts' bodies that have occurred as a result of being a gravity-free environment.

A.The ports will be used when other people arrive at the ISS in 2020. B.Here astronauts are made to work in an environment similar to the one outside the space station. C.Lindgren alone led the spacewalk while Kelly stayed in the spaceship. D.The housekeeping began early in the morning and ended at 3：00 in the afternoon. E.Even getting the space suits ready can take days. F.As the more senior astronaut，Kelly led the spacewalk. G.The operation began at 8：03 am and lasted for more than seven hours.

166．As a young person，you pursue your dream instead of idling away your time.

167．The bones and muscles of astronauts can get very weak in space for the l of gravity.

168．Never spend your money before you have earned it.—Thomas Jefferson

169．I go to the opera with my friends this weekend？

170．You draw the conclusion on the basis of facts.