.... he arrives soon, we will have to start the conference without him.
A.Suppose
B.Provided
C.Unless
D.If

.... more carefully, he would not have had the accident yesterday.
A.If Peter drove
B.Had Peter driven
C.Only if Peter could drive
D.Unless Peter had driven

I would have crashed the car.... .
A.unless you warned me
B.in case you warn me
C.if there were a warning
D.but for your warning

When questioned as to ______ he was planning to work for the competition, Mr. Graham said he would always be loyal to Sanford and Sons
A.whenever
B.while
C.whether
D.whereas

We want all staff to be aware _________ the policy will be changed on the following Monday.
A.concerning
B.of
C.that
D.which

Please remember __________ the vacation policy has been changed this year.
A.that
B.when
C.if
D.what

A key to closing a deal is to realize ________ knowing how to negotiate means having a sense of how people think and feel.
A.so that
B.in that
C.and that
D.that

Employees are reminded ________ they should limit their use of office supplies, as budget cuts will be taking effect immediately.
A.if
B.that
C.still
D.yet

Although staff members have some leeway when it comes to daily activities, the supervisor determines __________ tasks get done by whom.
A.when
B.whoever
C.what
D.whose

The new employees wondered _______ they would be given health care and some benefits.
A.whom
B.if
C.that
D.what