(2018贵阳改编) The doctor advised Paul strongly that he should stop smoking, but ________ didn't help.
A.it B.one C.these D.those
We must protect plants. They are friends of ______.
A.we B.us
C.our D.ours
(2018东营改编) I prefer the poems by Du Fu, because________ can cheer me up.
A.it B.he C.she D.they
(2018安顺改编) Actually, the weather in Anshun is cooler than ________ in Guiyang.
A.it B.that C.this D.those
He got up to get some hot water but found there was _________ left in the bottle.
A.a few B.few C.a little D.little
(2018北部湾经济区) Don't worry. The girl is old enough to look after ________.
A.herself B.her C.hers D.she
