It is said that sandstorms will become more ________ as a result of global warming.
#18661
A
frequent
B
normal
C
formal
D
rare
推荐题目
_______, and students having returned, the school will start with ________ effort in the work that lies before it. 
#18481
A
The summer vacation is over; refreshing
B
As the summer vacation over; renewed
C
The summer vacation being over; renewed
D
With the summer vacation being over; refreshing
He was extremely ______at the _______news!
#19900
A
surprising, surprised
B
surprising ,surprising
C
surprised, surprising
D
surprised, surprised
I __________ the names of plants.
#17599
A
familiar with
B
are not familiar to
C
am not familiar as
D
am not familiar with