The little boy is dirty from head to foot because he ______ in the mud all morning.
#103627
A
has played
B
has been playing
C
is playing
D
was playing
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That Was the first time she alone at home during the weekends，bored to death．
#102766
A
has left
B
has been left
C
had left
D
had been left
The Diaoyu islands, in the East China Sea between China and Japan, _______ to China since ancient times.
#101543
A
is belonged
B
have belonged
C
are belonging
D
Belonged
Betty will ring me up as soon as she ______ in Beijing.
#101706
A
arrive
B
arrives
C
arrived
D
will arrive
— No one answered when I phoned this morning. Where were you?— I for teeth in the dental clinic.
#101186
A
was being treated
B
have been treated
C
was treated
D
treated