We were swimming in the lake _______ suddenly the storm started.
| A．until | B．while | C．when | D．Before |
Although he is very old, _________ he works very hard.
| A．and | B．but | C．/ | D．so |
Where did Vera go __________ vacation?
| A．in | B．on | C．at | D．of |
Did you do_________ last weekend?
| A．somthing interesting | B．anything interesting | C．interesting something | D．interesting anything |
How was your vacation to Qingdao?
—It was _____________.
| A．bored | B．wonderful | C．easy | D．serious |
—_________does Tom exercise?—Every day.
| A．How often | B．How many | C．How long | D．How far |