---Shanghai is a beautiful city. Do you think so?
---Yes, I _______ there last year and fell in love with it.
| A．go | B．will go | C．have gone | D．went |
My sister isn’t in. ________ she comes back, I’ll let her call you back.
| A．While | B．Until | C．Before | D．When |
Not only Lucy’s brothers but also Lucy herself ________ living in China now.
| A．enjoy | B．enjoys | C．enjoying | D．enjoyed |
Everyone is here. Let’s ________ our class now.
| A．begin | B．began | C．beginning | D．to begin |
—Could I speak to Tom?
— Speaking. ________?
| A．Who is this | B．Who is that | C．Who are you | D．Who is Tom |
—How was your weekend?
— We ________ great fun playing in the park.
| A．have | B．were | C．had | D．has |