When first ________ to the market, the computer software ． was not a success due to its complexity in operation.
| A．introducing | B．being introduced | C．introduced | D．to be introduced |
If you _____ him yesterday, you _____ what to do now.
| A．asked … would know | B．had asked … would have known |
| C．asked him … know | D．had asked … would know |
The volleyball match will be put off if it _____.
| A．will rain | B．rains | C．rained | D．is rained |
I must remember______ John that the garden needs ____
| A．reminding; watering | B．to remind ; watering |
| C．reminding; to water | D．to remind; to water |
All is needed is a supply of oil.
| A．the thing | B．that | C．what | D．which |
—Can I help you?
—I want to buy a blue tie to my shirt.
| A．fit | B．match | C．suit | D．be fit for |