So necessary _____ it to learn about their customs that I will attend a special lecture next  week.
#79647
A
I have found
B
I feel
C
have I found
D
will I feel
推荐题目
 --I'll be away on a business trip. Would you mind looking after my cat?--Not at all._________.
#84268
A
I've no time
B
I'd rather not
C
I'd like it
D
I'd be happy to
So       that all the living things are dying out gradually .
#83052
A
serious polluted the lake is
B
serious polluted is the lake
C
seriously polluted the lake is
D
seriously polluted is the lake
— So hard ______ in the past few months that he has made great progress in English. — I can see that; only a few mistakes ______ in the exam.
#81740
A
has he worked; did he make
B
he has worked; did he made
C
he has worked; he made
D
has he worked; he made
Never in my life        such horrible food.
#79613
A
I have had
B
have I had
C
did I have
D
I had