Exam Unit 4: Water, water everywhere

Choose the correct option. Glaciers _______ on top of the oceans.

• carving
• freeze
• float
• sea level

Choose the correct option. You can find freshwater in _________ and _________.

• seas, oceans
• lakes, oceans
• sea, swamps
• lakes, glaciers

Choose the correct option. If it's too cold, use warm clothes in winter, so you don't _________ at night!

• freeze
• frozen
• free
• freen

Choose the correct option. Tijuana is 20 m above _________.

• ocean
• sea
• drain
• sea level

Choose the correct option. We can find salt water in ______ and ______.

• seas, oceans
• lakes, oceans
• sea, swamp
• lakes, glaciers

Choose the correct sentence in Present Perfect Progressive.

• She is swimming since this morning.
• She has been swimming since yesterday.
• She was swimming yesterday.

Choose the correct sentence in Present Perfect Progressive.

• He hasn't been studying recently.
• He has not studying recently.
• He been not studying recently.

Choose the correct sentence in Present Perfect Progressive.

• How long have you been practicing piano?
• How long you practice piano?
• How long you have been practicing piano?

Answer with a sentence using the Present Perfect Progressive. My sister ____________ (study) French for one month.

Answer with a sentence using the Present Perfect Progressive. They ________(not/come) to school since october.