I’m not sure when ______________ the book ______________ the library.
| A．to return; back to | B．returning; back to |
| C．to return; to | D．will return; to |
The boy _______ a blue jacket can sing songs _______ English.
| A．with, in | B．in, with | C．in, in | D．with, with |
书写时占三格的字母是______.
| A．e | B．g | C．b | D．f |
“中华人民共和国”的缩略词是______.
| A．UN | B．PRC | C．CCTV | D．NBA |
下列字母含有相同元音音素的一组是 ______.
| A．K,Q | B．M,X | C．J,L | D．F,R |
The underlined part in the word “yellow ”is pronounced(发音) as ______.
| A．[u:] | B．[ai] | C．[ə] | D．[əu] |