--Jack fell off the ladder yesterday, but he is all right now.
--What a lucky dog! He ______ himself badly.
| A．should injure | B． could have injured |
| C．should have injured | D．might injure |
to agriculture , the new technology will increase grain production.
| A．Applied | B．Having applied | C．To apply | D．Applying |
Happiness is a feeling and neither high position nor a large amount of money can ______ it.
| A．absorb | B．arrest | C．guarantee | D．believe |
He ______ the advertisements in the newspaper and then goes directly to the store that is having a sale.
| A．looks up | B．looks into | C．looks out | D．looks through |
---- you do me a favor?
-----Sure. With pleasure.
| A．Must | B．Need | C．Should | D．Could |
It was in the garden of her old house ______ she grew up ______ she dug up a pot of silver and gold.
| A．that; where | B．where; that | C．which; what | D．what, which |