Complete the Words
Điền các chữ cái còn thiếu trong đoạn văn. Mỗi dấu gạch dưới (_) là một chữ cái bị thiếu. Gõ từ hoàn chỉnh cho từng mục.
Many of the most dramatic valleys in mountain regions were shaped not by rivers but by glaciers. As a glacier (1)sli___ downhill, (2)ro___ (3)fro___ (4)in__ the (5)bot___ of the ice (6)scr___ the (7)gro___ (8)ben____ it like a (9)gi___ file, (10)wide____ and deepening the valley floor. Because ice fills the whole valley rather than a narrow channel, glaciers leave behind a broad U shape, while rivers usually cut a narrower V. When the ice finally melts, these valleys are often left with steep walls, flat floors and, in many cases, long lakes.
Các từ cần hoàn thành:
sli___
ro___
fro___
in__
bot___
scr___
gro___
ben____
gi___
wide____