——Who is knocking at the door?——It ______ Mr. Black, because he_______Washington.
#54792
A
can't be;has gone to
B
may be;has been to
C
must’t be;has gone to
D
may be;went
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We have found no debris（残骸）ofthe missing Malaysian airlines flight in the waters
#53213
A
lost
B
gone
C
losing
D
passed
—Mum, when shall we go shopping? —After I finish _______ the clothes.
#52898
A
wash
B
washed
C
to wash
D
washing
Would you please ________ the children ________ with snake?
#59982
A
to ask; not to play
B
ask; not to play
C
ask; not play
D
ask; don’t play