Don’t promise anything ________ you are one hundred percent sure.
#37297
A
if
B
after
C
when
D
unless
推荐题目
— People can print (打印) a 3-D camera now. — How amazing! It looks like a ______one.
#42499
A
true
B
real
C
truly
D
really
My ____ brother is three years ____ than I.
#41427
A
elder; elder
B
older; older
C
elder; older
D
older; elder