Although he is very old，________he works very hard.
| A．and | B．but | C．/ | D．so |
—Which car is _______, the yellow one or the red one?
—The red one, I think.
| A．expensive | B．much expensive | C．more expensive | D．most expensive |
— _______ does Earth Day come every year?
—It comes on April 22.
| A．What | B．Why | C．When | D．Where |
Lily knows some Chinese, ______ she can read the words on the bottle.
| A．so | B．or | C．but | D．for |
—We’ll have a hiking trip tomorrow, but when shall we meet?
—Let’s make it ______half past seven.
| A．on | B．in | C．to | D．at |
—Hi, Jim. Can you lend ______ your pen?
—Sorry, I’m using it.
| A． my | B． I | C．me | D．mine |