--- What’s up with Maria? She looks upset.
--- A call from her mother ________ the attack of homesickness.
| A．set out | B．set about | C．set off | D．sent off |
The letter he had been looking forward to ____ at last .
| A．arrive | B．arrives | C．arriving | D．arrived |
As we drew closer, I could see a whale ____________ by a pack of about six other killers.
| A．attacking | B．being attacked | C．attack | D．to attack |
So I’ve included some photos, ____ will help you picture the places I talk about.
| A．that | B．which | C．where | D．in which |
We didn’t know you were in trouble at that time, ____ we would have given you a hand.
| A．while | B．when | C．otherwise | D．therefore |
The teacher as well as all the boys ____ to play basketball every Sunday afternoon.
| A．is going | B．go | C．goes | D．are going |