This kind of tree is widely in our country.
| A．divided |
| B．constructed |
| C．distributed |
| D．separated |
I picked up a paper at random , _____ through the headlines and put it where it had been .
| A．looking | B．looked | C．to look | D．and looked |
--- You may refuse my invitation , but you must explain why .
--- Oh, I must , _____ ?
| A．did I | B．didn’t I | C．must I | D．mustn’t I |
Nothing is serious with my throat , _____ ?
| A．is there | B．isn’t there | C．is it | D．isn’t it |
One and ___ hours ____ all I can spare for you tomorrow .
| A．half ; are | B．a half ; are | C．half ; is | D．a half ; is |
. Early to bed and early to rise _____ a man healthy , wealthy and wise .
| A．make | B．makes | C．have made | D．will make |