I like reading poems, because poems can ___certain ____.
| A．convey; emotion | B．convey; emotions |
| C．express; emotions | D．explain; emotions |
I have heard a lot of good things about you ________ I came back from abroad.
| A．since | B．until | C．before | D．when |
________I have to give a speech，I get extremely nervous before I start.
| A．Whatever | B．Whenever | C．Whoever | D．However |
Mark needs to learn Chinese________his company is opening a branch in Beijing.
| A．unless | B．until | C．although | D．since |
One can always manage to do more things，no matter________full one's schedule is in life.
| A．how | B．what | C．when | D．where |
She says that she'll have to close the shop ________ business improves.
| A．if | B．unless | C．after | D．when |