Loulan is believed __________ over by sandstorms gradually from AD200 to AD400.
#92411
A
to cover
B
to be covered
C
to have covered
D
to have been covered
推荐题目
There is no________ that students will listen attentively in class, if they are _____ The World Cup in South Africa at night 
#93937
A
probability ; accustomed to
B
possibility ; addicted to
C
need ; drunk with
D
chance ; familiar with
—I can’t imagine Phelps was caught smoking on campus!—_______.
#94139
A
Nor am I
B
So do I
C
Me, too
D
Me, neither
______ unless I call you. 
#94749
A
Please come
B
Not come in
C
Don’t come in
D
Come in