下列字母________是元音字母,26个字母中第16个字母是________。
Millie wanted to buy Daniel his favourite comic, but there was ___________ left in the shop.
–Why do you look so sad? -Bad luck! I made some mistakes in the test. I was not ___________.
________ hard is the key to success.
Amy has just found a wallet lying on the ground. Can you find the correct sentence element(句子成分) of the underlined words in the sentence?
--Shall we go for a picnic on Saturday or Sunday? -- ______ is OK. I am free this weekend.