I called him many times, but I didn’t get through, maybe his mum _   on the phone all the time.
#101393
A
talked
B
was talking
C
has talked
D
had talked
推荐题目
He _____ football regularly for many years when he was young.
#101712
A
played
B
was playing
C
has played
D
had played
—Remember the first time we met? —Sure. You ____in the supermarket. 
#103252
A
shopped
B
have shopped
C
had shopped
D
were shopping
We all know laws to discourage the use of plastic bags _______ in many parts of the world.
#103962
A
passed
B
have passed
C
had been passed
D
have been passed