问题

I hated practicing, but I stuck_______ _itand now I can play pretty well.

A:Once gaining
B:to doing
C:do
D:doing

正确答案是：

同类题型

Joan saw her boyfriend off at the railway station. She waved until the train was _____.

He was knocked_______by a stone. [ ]

Why ? Where’s the key to the meeting room? —-Dear me! You ______it in the taxi!

Please late for school.

They don’tseem __________who ________for help.