印度的矿产主要有____ 、____ 、锰等，主要分布在德干高原的____ 部．
⑴is (过去式)____
⑵could not (缩写形式)____
⑶saw (原形)____
⑷give (过去式)____
将0.05 mol/L的醋酸溶液加水稀释时,下列说法正确的是( )
-Qin Shu has just beaten Li Hui in our school ping-pong game!
-It's hard to _________ a girl with only one arm can play ping-pong so well!
