(Excel) Syntax error occur in VBA when using URL

Question

Hi,

Currently I'm doing a form where I would like to sending data from excel to google spreadsheet.
As write the link in VBA as below;

"&entry.775775073=" & Campus & "&entry.1417086696=" & TeachersName & "&entry.23393781=" & Age & "&entry.1787044956=" & Class & "&submit=Submit"

Syntax error occur. May I know what is happen and how can I solve it?