Simon thought his computer was broken ____ his little brother pointed out that he had forgotten to turn it on.
A. until
B. unless
C. after
D. because
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It wasn’t until nearly a month later ____ I received the manager’s reply.
A. since
B. when
C. as
D. that
You must keep on working in the evening ______ you are sure you can finish the task in time.
A. as
B. if
C. when
D. unless
That was really a splendid evening. It' s years _______ I enjoyed myself so much.
A. when
B. that
C. before
D. since
John is the tallest boy in the class, ______ according to himself.
A. five foot eight as tall as
B. as tall as five foot eight
C. as five foot eight tall as
D. as tall five foot eight as