This book will show you ________ can be used in other contexts.

A. how you have observed            B. how what you have observed

C. that you have observed           D. how that you have observed

It’s the third time ＿＿＿＿＿ arrived late this month.

A.that you     B.when you  C.that you’ve     D.when you’ve

There aren’t many seats left for the concert; you had better make sure ____ two today.

     A. getting        B. to have got  C. that you get   D. that you will get

Can you lend me the magazine _____ last week?

A. you bought it        B. that you bought

C. that you bought it    D. which you bought it

 It’s the third time ＿＿＿＿＿ arrived late this month.

A.that you     B.when you   C.that you’ve     D.when you’ve