1. ............ is putting something on top of or in front of (something) in order to protect or conceal it.

Caver

Cover

Covver

Kover

2. There are few bookbinders who can repair the gilt lettering on leather ............ covers.

book

took

cook

none

3. We have researched it thoroughly and we believe that we have ............

covered of the bases

covered all the bases

covered on the bases

covered at the bases

4. The ............ operation was aimed at infiltrating terrorists.

coverunder

under of cover

undercover

under at cover

5. The burglar entered by the window under cover ............ darkness.

on

of

off

at

6. ............ is synonym of cover.

Show

Tarpaulin

Uncover

Coverless