Hello， may I speak to Mr． Smith？
Oh， sorry! He _____ a meeting now．（ ）
| A． |
has |
B． |
had |
C． |
is having |
D． |
will have |
Li Lei and his cousin made some zongzi by ________ during the Dragon Boat Festival．（ ）
A．themB．theyC．themselves
The Chinese survey team remeasured（重新测量）Qomolangma successfully ________ May 27，2020．（ ）
A．inB．onC．at
We don't know ______，but it tells us the importance of friendship．（ ）
A．what the story is about
B．whether the story is true
C．when did the story take place
As one of the most exciting sports，volleyball ______ in the Olympic Games in 1964．（ ）
A．includedB．is included
C．was included
Du Fuguo is a hero ______ is known to millions of Chinese people．（ ）
A．whoB．whichC．what