8.______to change his plans,Mark Twain worked for several years as a pilot on the steamboat.( )
A. | Force | B. | Forcing | C. | Forced | D. | To force |
7.The old man insisted that he was strong enough and that he ________ back to work again.( )
A. | was sent | B. | should sent | C. | should be send | D. | sent |
6.It takes time and lots of effort to ______ trust.But we manage it in the end.( )
A. | build up | B. | pack up | C. | bring up | D. | take up |
5.Two fifths of the area _____ covered with trees,most of which ______ been planted recently.( )
0 136732 136740 136746 136750 136756 136758 136762 136768 136770 136776 136782 136786 136788 136792 136798 136800 136806 136810 136812 136816 136818 136822 136824 136826 136827 136828 136830 136831 136832 136834 136836 136840 136842 136846 136848 136852 136858 136860 136866 136870 136872 136876 136882 136888 136890 136896 136900 136902 136908 136912 136918 136926 151629
A. | is; has | B. | are; have | C. | is; have | D. | are; has |