The biggest whale is ________ blue whale，which grows to be about 29 meters long—the height of ________ 9story building.
| A．the；the | B．a；a | C．a；the | D．the；a |
Tom is _______John .
| A． so clever a boy as | B． so a clever boy as |
| C． as a clever boy as | D． as clever a boy as﹡ |
It was about 600 years ago ______the first clock with a face and an hour hand was made .
| A． that | B．until | C．before | D．when |
Could you show me the TV set you want _______?
| A．to have repaired | B．to repair it | C．to have it repaired | D．it repaired |
_______for the captain ,the ship would have sunk with all on board .
| A． Hadn’t it been | B．Had it been not | C．Not had it been | D．Had it not been |
-----It rained nonstop yesterday . -----Yes .We __a worse day for the picnic .
| A．shouldn’t have picked | B．couldn’t have picked | C．couldn’t pick | D．Wouldn’t pick |