Mary has been away from her hometown three years.
| A．for | B．since | C．in | D．on |
Alex did the project on community service ______ better than his classmates.
| A．so | B．very | C．too | D．much |
Rose received a letter full of love from her parents on her ______ birthday.
| A．.sixteen | B．sixteen’s |
| C．sixteenth | D．sixteenths |
There was a big crowd waiting _____ the opening ceremony to start.
| A．by | B．from | C．for | D．with |
I love this picture ______ you beside the music fountain.
| A．in | B．of | C．on | D．at |
Nowadays I can choose online courses and study by_____ ?
| A．I | B．me | C．my | D．myself |