With so many orphans ________，the charity organization calls for more donations.
| A．to be looked after | B．being looked after | C．to look after | D．looked after |
--- Haven’t seen you for ages! Do you still work in Guangzhou?
--- . It’s two years since I worked there.
| A．Yes, I have | B．Yes, I do | C．No, I haven’t | D．No, I don’t |
Nobody believed his reason for being absent from the class he had to meet his uncle at the airport.
| A．why | B．that | C．where | D．because |
Mary, here – everybody else, stay where you are.
| A．come | B．comes | C．to come | D．coming |
Could I speak to is in charge of International Sales please?
| A．who | B．what | C．whoever | D．whatever |
As there is less and less coal and oil, scientists are exploring new ways of making use of
energy, such as sunlight, wind and water 
for power and fuel.
| A．primary | B．alternative | C．instant | D．unique |