.it just isn’t fair; ____I was working as a waiter last month ,my friends were lying on the beach.
A.whenever
B.though
C.for
D.while
正确答案是D
.it just isn’t fair; ____I was working as a waiter last month ,my friends were lying on the beach.
A.whenever
B.though
C.for
D.while
正确答案是D