His first lecture is of great use to our development. But his latest one is ______ worth attending.
| A．better | B．more | C．very | D．much |
You ______ worry about their safety. They are old enough to take care of themselves.
| A．mustn’t | B．needn’t | C．can’t | D．wouldn’t |
Della had only one dollar and eighty – seven cents Jim, her Husband, a Christmas present.
| A．to buy | B．which to buy | C．for him to buy | D．with which to buy |
, you’ll never be able to persuade him.
| A．However hard may you try | B．Try however hard you may |
| C．However hard you may try | D．Try hard however you may |
—Bob! How’s your project? I heard you started it last Friday，right?
—Oh！I for it．But I haven’t decided when to do it．
| A．have prepared | B．had prepared |
| C．have been preparing | D．was preparing |
I didn’t mean to hurt you. What I meant was that you ______ have spoken to him like that.
| A．shouldn’t | B．mustn’t | C．wouldn’t | D．couldn’t |