You seem familiar with Mr. John-Of course, we_______ together for three years in the1990s.

is ____ as a free dinner in this world, as thesaying goes, “No pains, no gains.”

The two brothers are_____each other in appearance,but_____widely in their tastes.

The manager told us that very little ____was made of the waste material in the past.

Measures have been taken to fight ________recurring food safety problems, but there is still a long way to go before China can rid itself ________ these issues