____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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Such good use had been      his spare time_________ his English has improved a lot.
#99329
A
made of; as
B
made of; that
C
made in; that
D
found in; as
Ladies and gentlemen, please fasten your seat belts. The plane _____.
#102445
A
takes off
B
has taken off
C
took off
D
is taking off.
I ______ my winter holiday with my family in Beijing next month. 
#101605
A
am spending
B
spent
C
have spent
D
spend
 I hadn’t expected James to apologize but I had hoped _____ me.
#104164
A
him calling
B
that he would call
C
him to call
D
that he call