I find _____ difficult for us to master English if we don’t work hard.
| A．that | B．it | C．this | D．what |
Many countries __________ the Third World are developing quickly
| A．belong | B．belongs |
| C．belongs to | D．belonging to |
With no central government, the island was ruled by kings，__________ a different region of the country.
| A．each controlling | B．each controlled |
| C．each to control | D．each was controlling |
-These suitcases are too heavy for me to move.
-Here, I'll give you a hand __________ them.
| A．for | B．to |
| C．with | D．by |
When he left the room, he __________ the door key to me.
| A．handed in | B．handed on |
| C．handed out | D．handed over |
The film's ending follows a set pattern, but，__________，it is worth seeing a second time.
| A．on the other hand | B．in other words |
| C．all in all | D．in the meanwhile |