【单选题】
9. They have ______ each other for a long time.
①
corresponded on
②
corresponded with
③
communicated with
④
kept writing
【单选题】
<p>被誉为“深度学习之父”的科学家是（）。</p>
①
A.Geoffrey Hinton
②
B.Alex Krizhevsky
③
C.Ilya Sutskever
④
D.Allen Newell
【单选题】
A thank-you note doesnot include [].
①
Date of writing
②
Salutation
③
expressing your gratitude and the reason
④
inviting the addressee for dinner
【单选题】
You ____ that letter to James. However, you didn’t.
①
ought to write
②
ought to have written
③
should write
④
should be writing
【单选题】
anecdote
①
short amusing story
②
long tedious talk
③
uninteresting writing
④
exciting information