His letter was especially welcome as I ____ from him for long.
#104693
A
haven’t heard
B
would not heard
C
hadn’t heard
D
didn’t heard
推荐题目
 They _______ when they heard him confess his fault.
#104169
A
had been surprising
B
were surprising
C
were surprised  
D
had been surprised
. The reason for all the changes being made _______to us yet.
#103486
A
has not explained
B
has not been explained
C
did not explained
D
were not explained
---Has Tom finished his job yet?  ---I have no idea of it; he _____ it this morning.
#103678
A
has been doing
B
had been doing  
C
did   
D
was doing