Before（）the envelope, please be sure you have enclosed all of the documents listed in your orientation packet.
A: sealing
B: is sealed
C: was sealed
D: seal
A: sealing
B: is sealed
C: was sealed
D: seal
举一反三
- Please don’t forget to put your home address on the back of the envelope before you mail the letter. Please remember your home address on the back of the envelope before you mail the letter.
- Please be sure to bring your ID card before you ______ home for your flight trip tomorrow. A: left B: leave C: will have left D: had left
- If you have enclosed any documents along...below the signature.
- Please remember_______ your home address on the back of the envelope before you mail the letter. A: to put B: putting C: put D: for put
- Be sure ______ your hands before you have meals. A: to wash B: wash C: washing