Helen ________ her keys in the office so she had to wait until her husband ______ home.
#101502
A
has left; comes
B
left; had come
C
had left; came
D
had left; would come
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Every possible means to prevent the air pollution, but the sky is not still clear.
#101886
A
is used
B
are used
C
has been used
D
have been used
The little girl _______ her heart out because she _______ her toy bear and believed she wasn't ever going to find it.
#100753
A
had cried; lost
B
cried; had lost
C
has cried; has lost
D
cries; has lost
Materials of this kind ____ once ____ on the wall.
#103555
A
don’t wash, painted
B
don’t wash, painting
C
aren’t washed, painted
D
aren’t washed, painting
—— ＿＿＿＿＿ Betty this morning? —— Not yet, but she is sure to be here before noon.
#104675
A
Have you seen
B
Will you see
C
Do you see
D
Did you see
—How long do you want me to heat the oil?—Heat it till it to smoke.
#102969
A
would begin
B
begins
C
will begin
D
began