Knowing ______ price of farm produce rose again, he sat down with ______ sigh.
| A．/; a | B．the; / | C．the; a | D．/; / |
＿＿＿＿＿is just like him to want to do something different from everybody else.
| A．It | B．There | C．He | D．Who |
How long ＿＿＿＿＿ to finish your composition?
| A．will it take you | B．will take you | C．you will take it | D．you will take |
＿＿＿＿＿ is no difference between A and B.
A.There B.Where C.It D.What
＿＿＿the people have become the master of their own country＿＿＿science can really serve the people.
| A．It is only then； that | B．It was that； when |
| C．It is only when； that | D．It was when； then |
—— Why did he let you repeat his instruction time and time again?
—— ＿＿＿＿＿＿that I remember what was＿＿＿＿＿after he went out.
| A．To see to it；to be done | B．Making sure； to be done |
| C．To make sure；to do | D．Seeing to； done |