Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
#102843
A
has delivered
B
has been delivering
C
will be delivering
D
delivers
推荐题目
I know Mr Brown; we ______ to each other at an international conference. 
#104666
A
are introduced
B
have been introduced
C
were introduced
D
had been introduced
I am so tired,for I ________ English for 2 hours.
#99761
A
is studying 
B
have been studying
C
was studying 
D
had been studying