.—What’s the matter with the man hanging his head there? —Well, if you _______ know, he was caught stealing my bike.
___ from a plane, the Great Wall looks like a huge dragon.
Africa is actually connected with Asia at the spot ___ the Suez Canel was dug.
Many buildings ___ in the eathquake.
Some weak bridge may not ___ in an earthquake. A,stay up B. fall down C. fell down D. fell off
Do remember or wash the vegetables ___.