17 ) recibió
18 ) prepara
19) comemos
20 ) pone
The letter 'H' is never pronounced in Spanish. Such examples are "hasta", "horchata", and "humanos". The letter "H" is almost always used exclusively as the first letter in words, but it may be used in the middle of words such as "mucho" or "hechar", where it makes a "ch" sound.
1; Si, me cepille mis dientes después de comer
3; Si nos duchamos antes de nadar en la piscina
4; Si, los turistas usaron sombreros en la playa
I answered the one's I could these should be right