After meeting the beautiful girl, Peter lay on his bed with wonderful ideas ________ in.
| A．crossing | B．crowding | C．entering | D．reaching |
I have kept that photo ______ I can see it every day, as it always reminds me of the happy days in New York.
| A．which | B．where | C．whether | D．when |
Experts say walking is one of the best ways for a person to _______ healthy.
| A．maintain | B．stay | C．live | D．preserve |
If you want to ________ a pleasant visit, find out as much as possible about the manners and customs of your host country.
| A．ensure | B．deserve | C．secure | D．serve |
It’s true that the old road is less direct and a bit longer. We won’t take the new one, _______, because we don’t feel as safe on it.
| A．somehow | B．though | C．therefore | D．otherwise |
Evidence came up ________ specific speech sounds are recognized by babies as young as 6 months old.
| A．what | B．which | C．that | D．whose |