It is obvious to the students______they should get well prepared for their future.A,as b,which C,whether D,that
I'd like the colour, but I’m afraid it’s ___expensive.
There ___ two football matches on TV tonight.
---Beautiful day ,___? –Yes, ____?
--Who has opened the door? ---I think it __ be Lin Tao. He’s always the first to get here.
The boy is good ___ learning English and he does well ___ it.