Alex has been in China for quite a few years. ________， he speaks fluent Chinese.
| A．Especially | B．Frequently |
| C．Surprisingly | D．Consequently |
—The battery in my cell phone is running low.
—I that last night before we went to bed.
| A．was noticing | B．have noticed | C．would notice | D．had noticed |
．What I like about Harvard isthere’s the old classical look—there are parks and traditional buildings.
| A．why | B．where | C．that | D．how |
With a lot of tough problems, the pilot was still calm, cool and collective under pressure.
| A．solve | B．solved | C．solving | D．to solve |
left the door unlocked must be held responsible for the accident.
| A．Whomever | B．Whoever | C．Whatever | D．Whenever |
If we use the new recycling method, a large number of trees.
| A．are saved | B．will save | C．will be saved | D．have saved |