________ on ten years of observation and study, Professor Wang announced that everyone dreams every night，whether they realize it or not.
#88276
A
Basing
B
Based
C
Been based
D
Having based
推荐题目
The message is very important, so it is supposed _______as soon as possible.
#94327
A
to be sent
B
to send
C
being sent
D
sending
It was said that no one was ever bored _______ him perform; his subtle acting made everything _______.
#95890
A
watching; entertaining
B
to watch; to entertain
C
watching; entertained
D
to watch; entertaining
Jack became seriously ill after ________ in polluted air for many years.
#89778
A
breathed
B
breath
C
breathing
D
to breathe
The Turners consider ________a computer, which is commonly considered _____a great help in our work and study.
#93795
A
to buy; to be
B
buying ; to be
C
to buy; being
D
buying; being
We don’t allow____here,but we can allow you ____in the next room.
#96761
A
smoking,smoke
B
smoke,smoking
C
smoking,to smoke
D
smoke,to smoke