---Good morning,Doctor Brown’s office.---Hello, this is Tom Smith. Could you please tell Doctor Brown I      ? My car       start.
#89173
A
was delayed, doesn’t
B
will be delayed, won’t
C
am delayed, didn’t
D
would delay, mustn’t
推荐题目
Thank you for giving me a hand. I ______ in the experiment without your valuable help. 
#89288
A
have failed
B
will fail
C
would have failed
D
must have failed
How I wish I ____ the mistake! Everybody present was angry with me.   
#90109
A
didn’t make
B
hadn’t made
C
wouldn’t make
D
wasn’t making