题目内容
Mary ______ all the housework, she dropped herself into the sofa, sighing with relief.
| A．finished | B．had finished | C．having finished | D．finishing |
C
解析试题分析：分析句子可知，she dropped herself into the sofa是主句，后面是现在分词短语作状语，she前面是逗号，没有连词，故前面用独立主格结构的形式，Mary是逻辑主语。句意：玛丽完成所有的作业后，她坐在沙发上，叹了一口气。
考点：考查独立主格结构。
With so many things _______, we haven’t decided on the final plan yet.
| A．considered | B．having considered | C．to consider | D．considering |
The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
She lay lazily in the armchair under the tree, the sun _____down through the broad leaves.
| A．shone | B．shinning | C．was shinning | D．to shine |
Nowadays people take___ exercise a day as they did in the past because of widely used automobiles.
| A．less than half | B．less than as half as |
| C．less than half as much | D．half less than |
The transportation has improved a lot in that province, with two new roads ____ last year
| A．constructing | B．to construct |
| C．constructed | D．construct |
We left the small town, _ clearly _ no need to stay．
| A．it; was | B．it; being | C．there; was | D．there; being |
— I’ve prepared all kinds of food for the picnic.
—Do you mean we_____ bring anything with us?
| A．can’t | B．mustn’t | C．shan’t | D．needn't |
When I passed this afternoon, I saw a little boy was lying on the grass, his hands _____ under his head.
| A．having crossed | B．crossing | C．crossed | D．to cross |