what is the meaning of gross and what is equavilent to the verb lay?

[heba]

English Error, Elementary Level

ESL/EFL Test #18 "Cat and mouse", question 6

The glass jar was laying in the street at the time and a man walking past picked up the jar.

(a) The
(b) laying
(c) picked up

English Error, Elementary Level

ESL/EFL Test #18 "Cat and mouse", answer 6

The glass jar was lying in the street at the time and a man walking past picked up the jar.

Correct entry: lying
The error was: (b) laying
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what is the meaning of gross and what is equavilent to the verb lay?

heba

[Lost_Soul]

gross is something disgusting
e.g. puke is gross

lay has lots of meanings, you'd better look it up: lay

[Mister Micawber]

.
There are other meanings of 'gross', Heba, which also can be found in your DICTIONARY.
.
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Native English teacher at Mister Micawber's