Who/Whom
Affect/Effect
Whether/Weather
To, Two, Too
There, their, they're
Then/Than
Cite, Sight, Site
100

I will [accept/except] any suggestions, except for those [who/whom] I’ve already considered.

ACCEPT, WHOM

100

The stormy [weather/weather] might [affect/effect] our travel plans.

WEATHER, AFFECT

100

I want to go to see the movie [to, two, too.]

TOO

100

The books are over [there/their/they're] on the table. 

THERE

100

Please [cite/site/sight] the sources you used in your research paper to avoid plagiarism.

CITE

200

Everyone [accept/except] the new employee was asked [who/whom] could attend the meeting.

EXCEPT, WHO

200

The beautiful [whether/weather] had a calming [affect/effect] on everyone at the picnic

WEATHER, EFFECT

200

There are only [to/two/too] days left until the deadline.

TWO

200

[There/Their/They're] dog is always barking at the mail carrier in the afternoon.

THEIR

200

From the top of the hill, the [cite/site/sight] of the sunset over the ancient ruins was unforgettable, and we learned that the [cite/site/sight] had been inhabited for centuries.

SIGHT, SITE 

300

I don't know [who/whom] will be attending, but I can tell you [who/whom] we should ask for help with the project.

WHO, WHOM

300

The loud music had a negative [effect/affect] on my concentration, but I couldn’t tell [whether/weather] it bothered anyone else.

EFFECT, WHETHER

300

I'm goin [to/two/too] the park with my little brother.

TO

300

I think [there/their/they're] going to the movies later tonight.

THEY'RE

300

The Grand Canyon is a breathtaking [cite/site/sight] that attracts millions of visitors each year.

SIGHT

400

They decided to [accept/except] all the gifts, [accept/except] the ones from people [who/whom] they didn’t know very well.

ACCEPT, EXCEPT, WHOM
400

I’m not sure [whether/weather] the medication will [affect/effect] my mood or have any noticeable [affect/effect] on my energy levels.

WHETHER, AFFECT, EFFECT

400

The teacher asked us [to/two/too] solve two math problems.

TO

400

It’s better to ask their opinion [than/then] to assume they're okay with the decision, especially if [there/their/they're] not over there to share their thoughts.

THAN, THEY'RE

400

The construction crew is working hard to prepare the [cite/site/sight] for the new community center.

SITE

500

She wasn’t sure [who/whom] was invited to the event, but she knew [who/whom] to contact for more details.

WHO, WHOM

500

It’s hard to say [whether/weather] the [affect/effect] of the movie’s message will [affect/effect] the audience’s opinions about climate change.

WHETHER, EFFECT, AFFECT

500

She offered [to/two/too] carry the boxes, but they were [to, too, two] large for her to manage.

TO, TOO

500

We went to the store first and [then/than] dropped off the package there because they’re expecting it at [there/their, they're] office today.

THEN, THEIR

500

Which form of cite/site/sight refers to a location or position.

SITE

M
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