用方框中所给单词的适当形式填空。
stick
normal suggest mystery
express
(1)
Do you have anyabout how to solute the problem.
(2)
The whole thing remains unknown, it's
still a.
(3)
I helped him with the test. In return he
gave me a big present as an of
thanks.
(4)
When you go abroad, just try to behave.
(5)
The soldiersto the friends until victory.
答案: 【1】suggestions
【1】mystery
【1】expression
【1】normally
【1】stuck