—I called you at 4:00 yesterday afternoon, but no one answered.—Sorry, I ______ with my friends at that time.
#42308
A
swim
B
swam
C
will swim
D
was swimming
推荐题目
Renshou_________ a lot in the last 3 years. It’s now one of the most important cities in Meishan.
#37053
A
changed
B
changes
C
has changed
D
had changed
The students _______ their homework carefully when the teacher walked into the classroom quietly.
#36148
A
do
B
did
C
are doing
D
were doing