—When did you go to the United States?
-- I remember _______ there when I was ten.
| A．having taken | B．to be taken | C．being taken | D．to take |
Remember the day when we ___________ you in charge ?
| A．carried | B．left | C．took | D．got |
Amy eats lots of fruit and vegetables, _______ are good for her health.
| A．where | B．who | C．which | D．that |
---Have the papers been graded?
--- Yes, but I regret that you failed it.
| A．to say | B．saying | C．in saying | D．I say |
My cousin is a person __________ I can discuss my problems.
| A．with whom | B．who | C．whom | D．that |
. Nowadays online games _______ teenagers.
| A．is popular of | B．is popular among |
| C．are popular of | D．are popular among |