Tom was about to close the window     his attention was caught by a bird.
#92304
A
when   
B
if
C
and   
D
till
推荐题目
. ---Learning a language isn’t easy. It takes time.---I agree. ________. There is no short cut.
#94130
A
All roads lead to Rome
B
Rome was not built in a day
C
Practice makes perfect
D
Slow but sure wins the race
      takes me several hours      my tasks. Because they are too difficult.
#92076
A
It , to finish
B
That, to finish
C
It ,finishes
D
It ,finishing
 She explains English grammar ___clearly _____even I can understand it.
#93604
A
even…if…
B
so…that…
C
as…if…
D
but…and…