Mr. Smith went to a bookstore, where a lot of books were .
#4588
A
produced
B
invented
C
housed
D
disappeared
推荐题目
______ students up to 2, 000 , the school has built another laboratory．
#4643
A
As
B
For
C
with
D
Since
Our football team led ______ one point, but towards the end of the game, their team scored and the game ended ______ a tie.
#4627
A
by; in
B
for; by
C
with; with
D
by; with
一When did you learn the news that Obama made a trip to Canada as President?一 ____ was on my return．
#4857
A
That
B
It
C
There
D
This
_______ in the Moluyuan on a March afternoon, he could feel the warmth of spring.
#4521
A
To walk.
B
Walking
C
Walked
D
Having walked
Evidence obtained from observation and experiment is often used to _____ a scientific theory.
#4841
A
confirm
B
confine
C
conform
D
conceive