Speak to him slowly _____ he may understand you better.

A. since           B. so that            C. for                    D. because

_______ you begin the work , you must carry it out through to the end.

A. When              B. Though          C. Sometimes      D. Once

 It won’t be long _______ you regret what  you’ve done.

A. after               B. before             C. since       D. then

No matter ______ says no to us , we will return to our motherland.

A. whoever            B. who              C. what       D. whatever

He was hiding behind the door _________ he could see what was happening.

A. which                B. from where         C from which       D. where

Look out! Don’t get too close to the house _____ roof is under repair.

A. whose             B. which               C. of which        D. that  

In the past we lost many chances, _______ we paid little attention.

A. which          B. that                C. in which          D. to which

During the week ____ he tried to collect materials for his article.

A. following         B. followed            C. to follow         D. that followed

Jack is pleased with ____ you have given him and all ____ you have told him.

A. that, what         B. what, that         C. which, what      D. that, which

Because of my poor memory, all ____ you told me has been forgotten.

A. that             B. which            C. what            D. as