Once          a difficult and even dangerous place , Vietnam is now a friendly detestation that welcomes visitors from all over the world        .
#80956
A
considered; visiting
B
considered; to visit
C
considering; visiting
D
considering; to visit
推荐题目
______ that no one was ever prepared for it.
#84541
A
So suddenly did the bad news come
B
So suddenly the bad news came
C
So did the bad news come suddenly
D
Did the bad news come so suddenly
 They waited and waited. _____ they had been looking forward to.
#84014
A
Then the hour came
B
The hour then came
C
Then came the hour
D
Then did the hour come
___that we couldn’t catch up with him. 
#83922
A
So fast he ran
B
So fast did he run
C
So fast ran he
D
Such fast did he run
 It is required that students______ mobile phones at school, so seldom_______ them using one.
#81834
A
don’t use; will you see
B
should not use; you will see
C
not use; will you see
D
can’t use; will you see