Come and see me whenever _____.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．You will be convenient to you |
You can _____ that all the goods are delivered on time.
| A．depend it on | B．rely on it | C．put it on | D．take on it |
How can I help them to understand ___ they won’t listen to me？
| A．while | B．even though | C．when | D．as if |
I would love ___ to the party last night but I had to work extra hours to finish a report.
| A．to have gone | B．having gone | C．going | D．to go |
Leonardo da Vinci (1452-1519) ____ birds kept in cages in order to have the pleasure of setting them free.
| A．is said to be buying | B．is said to have bought |
| C．had said to buy | D．has sad to have bought |
_____, we decided to spend the night at the foot of the mountain.
| A．With the moon appeared | B．The moon appeared |
| C．The moon being appeared | D．As the moon appeared |