When the teacher ______ how to do the experiment, the bell rang.
#37863
A
explains
B
will explain
C
was explaining
D
is explaining
推荐题目
Sam’s cousin ______ a programmer. But he changed his job last month.
#40024
A
has been
B
is going to be
C
is
D
used to be
Peter ________ to help our math teacher carry books yesterday.
#40460
A
tells
B
is told
C
told
D
was told
Every morning my father _____ out for a walk and ____newspaper in the Park
#40283
A
go, read
B
goes, reading
C
goes, reads
D
going, reads
— It’s raining! When did it start? — I don’t know exactly. In fact, it _________ all this afternoon.
#36901
A
lasts
B
lasted
C
has lasted
D
will last