When does the online class begin， Mrs．Grace？
At eight o'clock． Tell Cindy________late．（ ）
A．not beB．not beingC．not to be
How _______ your school trip yesterday？great．（ ）
A．will beB．isC．was
which would you like，tea_______ milk？Tea，please．（ ）
A．andB．orC．but
Is tom coming by train？He ______drive his car，I'm not sure．（ ）
A．can'tB．mayC．must
_______ Children's Day，all the children are very happy．（ ）
A．toB．InC．On
What were you doing when I phoned you yesterday evening？
I _______ my homework．（ ）
A．was doingB．have doneC．did