.---Sorry, Mum. I’ve lost my pen again.I_____it! You never remember to put your things away after using them.
#103679
A
knew   
B
know
C
have known   
D
will know
推荐题目
 The hotel wasn't particularly good,but I ________ in many worse hotels.
#100427
A
was staying
B
stayed
C
would stay
D
had stayed
I got caught in the rain and my suit______. 
#102751
A
has ruined
B
had ruined
C
has been ruined
D
had been ruined
 —Have you got any job offers?—No. I _________. 
#104590
A
waited
B
had been waiting
C
have waited
D
am waiting