________ Chai Jing said in her video about the smog has caused public concern.
| A．That | B．Which | C．How | D．What |
Don’t put your glasses here.You had better put ___away.
| A．it | B．them | C．their | D．its |
He looked at me with that special expression ___ his face.
| A．in | B．on | C．onto | D．into |
Teacher: “Hi. Bob, ___ the poem” Bob: “I am sorry, sir, I can’t.”
| A．learn by heart | B．remember | C．recite | D．memorize |
--Who is ___?--- ___ is me, jim.
| A．it, It | B．it, He | C．she; She | D．It, it |
Alice fixed her eyes upon Bob, there was an expression __ that he could not understand.
| A．in it | B．on them | C．in them | D．on it |