Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
| A．unless | B．until | C．although | D．since |
---I hear you won the prize in the English contest last week.
---That was the second time I ________ the prize.
| A．had got | B．got | C．get | D．have got |
The charity sale our school organizes every year has taught us much that we would never have________ learned in class.
| A．therefore | B．meanwhile | C．otherwise | D．instead |
---Harry, we want to know your view about the reform being carried out in our school.
---OK. I ________ to that.
| A．am coming | B．have come | C．came | D．come |
Tom hid himself behind the door, _________ he could hear the steps of his mother clearly.
| A．from which | B．from where | C．where | D．which |
Having a trip abroad is certainly good for the old couple, but it remains _______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．seen |