—What do you think of the two backpacks? —______ of them are very nice.
| A．Either | B．Both | C．Each | D．All |
I bought a new sweater last weekend. It ________ me 120 yuan.
A. paid B
. take C. costD. spent
—Who else do you know at the party ______ Jim and Tom? —Lucy and Lily.
| A．in | B．next | C．among | D．besides |
As students, we ________ study hard to make our country more beautiful and stronger.
| A．should | B．may | C．can | D．could |
We will have finished ________ Unit 15 by April. We can review all the lessons.
| A．learning | B．learn | C．learned | D．to learn |