---The book is borrowed from the library. You ____ your children touch it with their dirty hands. ---Sorry.    
#88042
A
should have let 
B
needn’t have let 
C
mustn’t have let
D
ought not to have let
推荐题目
________ your letter, I would have started off two days ago.
#87250
A
If I received
B
Should I receive
C
If I could have received
D
Had I received
What would have happened ______as far as the river bank ?
#87850
A
Bob had walked farther
B
if Bob should walk farther
C
had Bob walked farther
D
if Bob walked farther
Which of the following sentences conveys a fact?  
#86769
A
Maryandhersonmustbehomebynow.
B
Carelessreadingmustgivepoorresults.
C
It’sgettinglate,andImustleavenow.
D
Hemustbeworkinglateattheoffice.
The professor ________at 8 o’clock,but he has not shown up yet,which worries all of us.
#86762
A
was supposed to arrive
B
must have arrived
C
might have arrived
D
was supposed arriving