____is known to all, good friends _________ happiness and value to life.
#99280
A
It; add
B
As; add
C
It; add up
D
As; add to
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—— Sorry, I forget to post the letter for you. —— Never mind, _____ it myself tonight. 
#104655
A
I’m going to post
B
I’ve decided to post
C
I’ll post
D
I’d rather post
 The hotel wasn't particularly good,but I ________ in many worse hotels.
#100427
A
was staying
B
stayed
C
would stay
D
had stayed
 If we        earlier, we couldn’t be waiting here in a queue.
#99856
A
have started
B
started
C
start
D
had started