When to use gerund or infinitive

Use the right forms of gerund or ininitive to complete the following sentences in English.

She's going to stop ________ dinner so she may be late.
1. eating
2. for eating
3. to eat
4. eat
My mobile phone is in my bag but I don't remember ________ it there.
1. putting
2. to put
3. I put
4. put
I asked him ______ there but he went anyway.
1. not to go
2. to not go
3. not going
4. he doesn't go
________ in a foreign country is sometimes difficult.
1. I live
2. Living
3. Live
4. Lives
He's not used to ______ up so early.
1. wake
2. waken
3. wakes
4. waking
We're eighteen so we're ______ vote.
1. too old to
2. young enough to
3. old enough to
4. old enough for
I don't think Tom enjoyed ______ me study for the test.
1. helping
2. to help
3. helped
4. helps
I bought this new software ______ Chinese.
1. for learning
2. learning
3. to learn
4. learned
We got a new card holder ______ lose our credit cards.
1. in order not to
2. not
3. not to
4. for not
It isn't difficult ______ this textbook.
1. understand
2. in order to understand
3. for understanding
4. to understand
Are you ready? It's time ________.
1. for going
2. to go
3. going
4. go
I resented ______ that. He could have been more polite.
1. he said
2. he saying
3. his saying
4. him to say
I talked to the students about working harder but I couldn't _________ them to study.
1. make
2. get
3. got
4. let
My mother ______ do my homework before I go out.
1. makes me
2. helps me
3. gets me
4. lets me