(Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete...
内;进……里,tree树 ,in the tree在树上,介词短语,故答案为在树上。(2)on在……上,mat 毯子,On the mat在毯子上,介词短语,故答案为在毯子上。(3)on在……上,log原木;木头,on the log在木头上;在原木上,介词短语,故答案为在木头上;在原木上。(4)run跑,with跟……一...