This blue car ____________ be Bob’s bcause his car is black.
| A．can’t | B．must | C．could | D．would |
We'll have the party____ she comes or not
A. If B. whether C. when
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