It is believed to _____ over by sandstorms from AD 200 to AD 400.
#88245
A
gradually cover
B
be gradually being covered
C
have been gradually covered
D
be gradually covered
推荐题目
The transportation has improved a lot in our city, with two new roads _______ last year.
#90251
A
constructing
B
to construct
C
constructed
D
construct
---How do you often spend your spare time? ---Personally speaking, there is nothing happier than reading a book, ____ a cup of tea.
#97098
A
drunk
B
be drinking
C
drinking
D
to drink
______ all the required papers, he didn’t answer the questions fluently in class.
#94636
A
Having not read
B
Not having read
C
Not read
D
Not to read