共50条信息
---What’s your impression of the Great Wall?
---Wonderful! Once ____ , it can never be forgotten．
A．seen B．seeing C．being seen D．saw
Little Bob is often educated by his parents to be good and friendly to anybody even if ________.
A．attacking B．is attacked C．to be attacked D．attacked
Little Bob is often educated by his parents to be good and friendly to anybody even if ________．
If carefully, the experiment will be successful．
A．do B．does C．done D．doing
—Did you get a ticket?
—No, , but there wasn't any left.
A．I tried B．I tried to C．I try D．l try to
If carefully, the experiment will be successful.
Though _____ of the danger, he still went skating on the thin ice.
A．warning B．to warn C．warn D．warned
Only after he took off his sunglasses ______ him as one of my favourite movie stars.
A. I recognized B. I didn’t recognise
C. did I recognize D. had I recognized
, follow the directiom on the bottle carefully.
A. Takes medicine B. To take medicine
C.When one takes medicine D. When taking medicine
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