If water becomes increasingly scarce in decades ________，water shortage will become a hot issue all over the world.
#89205
A
coming
B
having come
C
to come
D
to be coming
推荐题目
. All of the students were by the speech given by the headmaster.
#95840
A
inspired; inspired
B
inspiring; inspiring
C
inspired; inspiring
D
inspiring; inspired
We don’t allow ___in the office. But you are allowed ____in the rest room.
#89766
A
smoking, smoking
B
to smoke, to smoke
C
smoking, to smoke
D
smoke, smoking
He picked up an envelope ____50 dollars in it.
#97352
A
containing
B
contained
C
which contains
D
which was contained
The policeman warned the driver ______ so carelessly.
#93347
A
never to drive
B
to never drive
C
to not drive
D
didn’t drive