19. At last he chanced to sail back towards the place _____ he had started.
| A．with which | B．for which | C．from which | D．on which |
She had to work deep into the night, ______she couldn't have spread the messages to all the relevant people successfully.
| A．while | B．but | C．otherwise | D．so |
Hello, Tom. What a coincidence! I ______ about you. And here you are.
| A．was just thinking | B．just thought | C．have just thought | D．would just think |
E-Commerce ______ mislead customers at times even though it's more convenient and faster in general.
| A．shall | B．should | C．can | D．must |
The School Art Festival has set up a stage ______students can show their talents.
| A．which | B．where | C．that | D．when |
——Mum, can you drive faster to the airport?
——Honey, ______, for we still have one and a half hour.
| A．take it easy | B．take your time | C．forget it | D．with pleasure |