You don’t have to know the name of the author to find a book. You ____find the book by the title. 
#89104
A
must
B
need
C
can
D
would
推荐题目
You _____ phone him if you want to, but you _____! He will surely phone you.
#90175
A
may; mustn’t
B
have to; needn’t
C
can; needn’t
D
can; doesn’t need
It is suggested that a doctor ____immediately.
#86426
A
be sent for
B
send for
C
is sent for
D
should send for