—_______ do you clean your room?— Every day.
#77537
A
How long
B
How many
C
How often
D
How soon
推荐题目
It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62306
A
may
B
couldn’t
C
should
D
needn’t
——Do you know where David is? I couldn’t find him anywhere. ——Well, he_______ gone far—his coat’s still here.
#62621
A
shouldn’t have
B
mustn’t have
C
can’t have
D
wouldn’t have
---Have you got the final result?---Yes, very disappointing. We________ have won the game.
#63088
A
need
B
could
C
can
D
must
–I have packed your luggage for you need to rise early tomorrow. --Thanks. You ______ that. I am a big girl now and I can manage it, Mum.
#62529
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done