... YOU HAVE NO KEY, YOU WILL HAVE TO GET BACK BEFORE I GO OUT. ....

4. - DE VA DAP AN NANG CAO ON HSG 9 4. - DE VA DAP AN NANG CAO ON HSG 9
DE VA DAP AN NANG CAO ON HSG 9
4. ... you have no key, you will have to get back before I go out.A. although B. provided C. As D. unless