When we were young, every evening my brother and I ______ stay at home waiting for our mother to come back from work.
| A．would | B．might | C．should | D．could |
We were having a meeting _________ suddenly someone knocked at the door.
| A．because | B．when | C．as | D．while |
—Will $ 2,000 _______ the cost of the trip?
—I’m afraid not. Perhaps I need another $500.
| A．pay | B．charge | C．cover | D．afford |
It is known to us that lions and tigers ________ the cat family.
| A．are belonging to | B．belonged to | C．belong to | D．are belonged to |
From his _______look, I could see that he didn’t believe what I said.
| A．amazing | B．amaze | C．amazed | D．amazement |
Please read the _______ on the bottle and take the right amount of medicine.
| A．explanations | B．descriptions | C．instructions | D．introductions |