--Haven't you seen Mr. Wilson at the lecture?--Yes, but he had left _________ I could ask him any questions.
#49756
A
when
B
before
C
after
D
as
推荐题目
My friend works ___ a hospital ___ a doctor. 
#49209
A
at, in
B
from , as
C
in, as
D
on ,as
—Do you often help your cousin with his English?—No. He learns English _______. 
#46919
A
by himself
B
for himself
C
with himself
D
on himself
The actor is so tall__________ brown hair.
#49034
A
has
B
with a
C
in
D
with