---Everyone was at the party except you. What happened? ---I      after Mike, my pet dog, at home. He was ill.
#101463
A
have looked
B
was looking
C
would look
D
had looked
推荐题目
--- Joan, what_________in your hand?  --- Look! It's a birthday gift for my grandmother.
#102660
A
had you held
B
are you holding
C
do you hold
D
will you hold
Mr. Smith ______ the grammar book meant for senior high school students and will almost finish it.
#99529
A
was writing
B
has written
C
has been writing
D
has been written
Much attention should ______ the environment and fighting against pollution.
#103646
A
be paid to protect
B
pay to protecting
C
pay to protect
D
be paid to protecting