1. To enter this hotel , you have to ........... .

check out

check in

leave

escape

2. ........... and be ready in minutes .

put on

put out

sleep

leave

3. ........... quickly so as not to be late for school .

sleep

wake up

look

buy

4. Do not ............. and keep trying .

give in

give up

eat

look

5. You have to ............ the room nicely .

clean up

sleep up

keep up

sit up

6. ........... , the car is coming towards us .

watch out

help out

watch

see