33. The weather turned out to be fine yesterday. I______ the trouble to carry my umbrella with me.
| A．should have taken | B．could have taken | C．needn’t have taken | D．mustn’t have taken |
.I shall never forget the day _______ Shen Zhou V was launched, _______ has a great effect on my life.
| A．when ; which | B．that ; which |
| C．which ; that | D．when ; that |
While working in the countryside , the students ________ a great deal of knowledge on plant life.
| A．looked up | B．picked up | C．put up | D．called up |
. By the time she ________ tomorrow, the work ________.
| A．arrives ; will be finished |
| B．arrives ; will have been finished |
| C．will arrive ; will have been finished |
| D．arrives ; will have finished |
Some people waste a lot of food ________ others haven’t enough to eat.
| A．however | B．when | C．as | D．while |
When and where to build the new factory _____ yet.
| A．have not decided | B．are not decided |
| C．has not decided | D．is not decided |