The flowers will die soon unless often ________.
| A．watering | B．to water | C．water | D．watered |
Of the two lectures, the first was by far _____, partly because the speaker had such a dynamic style.
| A．the best | B．better | C．the better | D．much better |
---It’s a lovely day, isn’t it?
---Yes. I love _____ when the weather is like this. Why don’t we sit outside and have our lunch?
| A．this | B．that | C．it | D．one |
In which play is _____ your brother appear?
| A．that where | B．this when | C．it that | D．it where |
It must be he that has stolen Mr. Smith’s purse, _____?
| A．hasn’t he | B．isn’t he | C．mustn’t it | D．isn’t it |
Playing football and watching TV _____ both interesting.
| A．were | B．was | C．are | D．is |