— Jack, take more clothes when going camping. It ______ be very cold in the mountains.
— Thank you, Mum. I will.
| A．can | B．should | C．shall | D．must |
Madame Curie, for _____ life had once been very hard, was successful later.
| A．whom | B．which | C．whose | D．that |
“Good morning. Can I help you?” “I’d like to have this package _______.”
| A．be weighed | B．to be weighed | C．to weigh | D．weighed |
Tony was very unhappy for _______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |
With a lot of difficult problems ________, the newly-elected president is having a hard time.
| A．settled | B．setting | C．to settle | D．being settled |
Tony was very unhappy for _______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |