Linda’s aunt is a__________. Her job is to do research in science.
A. pilot B. scientist C. cook D. pianist
Mom,the desk is too_________to_________.
A.heavy;move B.heavily;moving
C.heavy;moving D.heavily;move
Please check your paper to ________ there are no mistakes.
A. think of B. try out C. find out D. make sure
Liu Xi's father kept on____although he was tired.
A．to sleep B．sleeping C．to work D．working
World Cup host Brazil would like to help China________China's soccer.
A．improve B．send C．question D．discuss
Mrs. Green promised____all she can to help us.
A．knowing B．to know C．doing D．to do
