______ the soldiers will go to help find the missing plane.
| A．Three thousand | B．Three thousands | C．Three thousand of | D．Three thousands of |
The foreigners ______visited our school last week were from America
A. which B. who C. whose
My next door neighbor is so kind _____he is always ready to help others.
A. that B. when C. but
The people there are _______ . So they often talk_______
A. friend ；happy B. friendly; happily C. friend; happily
1 often hear her __.this song. Listen! Can't you hear her___ in the next room?.
A. sing; sing B. singing; singing 
C. sing; singing
The old parents _____a great deal of their savings on their son’s new house.
A. cost B. spent C. paid