With the help of high technology, more and more new substances ___in the past few years.
#101737
A
discovered
B
have discovered
C
had been discovered
D
have been discovered
推荐题目
— The “No.1 Document” is designed to help the rural population increase their incomes.— I believe that peasants’ life _____ better and better.
#100743
A
will have got
B
will be getting
C
gets
D
has got
Let’s keep to the point or we ______ any decisions.
#104991
A
will never reach
B
have never reached
C
never reach
D
never reached
— Has the little boy who saved the drowning girl left the school?— Not yet. He _______in Room203 of the teaching building right now.
#101974
A
in interviewing
B
is interviewed
C
has interviewed
D
is being interviewed
The boss praised the young man for his hard work, though he ___ experience.
#104194
A
was lack of
B
was lacking in
C
lacks of
D
was lacking of
---Do you know the timetable of the school bus? ---Sure, the first trip________ at 6:30 a.m. and usually continues until 4 p.m. on weekdays.
#101866
A
will start
B
starts
C
is starting
D
started