_____more countries can use natural energy in the future remains to be seen.
#34676
A
Whether
B
This
C
who
D
If
推荐题目
The course normally attracts 20 students per year, ________up to half will be from overseas.
#32627
A
in which
B
for whom
C
with which
D
of whom
That art center is _______ used to be a factory, ______ millions of tractors were produced.
#32991
A
what; where
B
where; where
C
what; which
D
where; which
As many as five courses are provided, and you are free to choose_______ suits you best.
#31464
A
whatever
B
whichever
C
whenever
D
wherever
All the photographs in this book, _______ stated otherwise, date from the 1970s.
#31571
A
until
B
once
C
if
D
unless
______ has an interest in the lecture can go for a ticket from the office next to the gate of the lecture room.
#33511
A
No matter who
B
Whoever
C
Anyone
D
Those who