Is tom coming by train？He ______drive his car，I'm not sure．（ ）
A．can'tB．mayC．must
Jenifer wants to go to that party very much ______ all her best friends will go．（ ）
A．becauseB．soC．unlessD．while
This washing machine______．It needs to be repaired．（ ）
A．worked wellB．broke down
C．ran upD．went on
Could you please tell me（ ）
A．where is the Grand Hotel
B．when the Grand Hotel is
C．where the Grand Hotel is
D．how is the Grand Hotel
﹣I'm sorry，dad．I lost that wallet you gave me．
﹣______．（ ）
A．The same to youB．It's my pleasure．
C．Nice to see youD．Well，never mind
If we _____ take environmental problems seriously，the earth _______ worse and worse．（ ）
A．don't； won't beB．won't； isn't
C．won't； isD．don't； will be