Answer:

3. PlainText. Picture. Building Block Gallery. Combo Box

4 . On the File tab, go to Options > Customize Ribbon.

Under Customize the Ribbon and under Main Tabs, select the

Developer check box.

7.A combo box is a combination of a standard list box or a drop-down list and an editable text box while A drop-down list is a list in which the selected item is always visible

8 .View the Developer tab to add or change content controls

View the Developer tab to add or change content controlsTo add a control, click in the document where you want to add it, and then click the control you want to add on the Design tab. To set properties on a control or change an existing control, on the Developer tab, in the Controls group, click Properties.

9. On the developer menu, select Design Mode.

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