I__________ you somewhere before, but your name has escaped me_________.
| A．must see;for a moment | B．must have seen; for a moment |
| C．must see;for the moment | D．must have seen; for the moment |
---Did you see clearly who the driver was?
---No, so quickly _____ that I couldn’t have a good look at the face.
| A．the car would speed by | B．the car sped by |
| C．would the car speed by | D．did the car speed by |
The topic, _______ we devoted a heated discussion last night, is a hot issue at present.
| A．which | B．where | C．to which | D．for which |
It even leaves the wise scientists in wonder____ they should call the newly-born creature, which looks half-human and half-animal.
| A．what | B．how | C．why | D．that |
The moonlight was bright and about 15 yards up the road there was a deep ___ thrown by a tree.
| A．shade | B．shelter | C．shadow | D．reflection |
-----You must have enjoyed using your new camera on the trip to Tibet.
----- I would have, but I _____ it in David’s car when he drove me to the airport.
| A．had left | B．have left | C．were to leave | D．left |