. There are three basic ways of _____ language to writing, and all known graphic systems use one or a combination of these.
| A．committing | B．attaching | C．comparing | D．relating |
It is the first time that a developing country _______ the Expo, described as the Olympic Games of economy, science and technology．
| A．is hosting | B．has hosted | C．hosts | D．will host |
The doctor said it would take six weeks to recover and I ________ be fine by then.
| A．may | B．will | C．should | D．can |
Knowledge is there for _______ will seek it.
| A．who | B．whoever | C．whom | D．whomever |
―Why are we supposed to buy that flat?
―Because it’s clean and well-located, but _______ of all, it’s affordable.
| A．well | B．good | C．best | D．better |
It came as_______ surprise that Poland’s President and scores of its top officials were killed in _______ air crash in Russia.
| A．不填; the | B．a; an | C．a; 不填 | D．the; an |