Welcome to my lecture. Hopefully, there are enough seats for each visitor to have .
| A．it | B．ones | C．one | D．that |
We are strongly against the company's decision _______ it will fire half of its staff in the following years.
| A．which | B．that | C．what | D．when |
Eric, a middle-aged fashion designer, is very happy because the clothes be designed have never been ________.
| A．most popular | B．the most popular | C．less popular | D．more popular |
You _______ an A on your term paper, but you quoted a little bit more from others' papers.
| A．should receive | B．could have received |
| C．would receive | D．must have received |
To show our respect, we usually take our gloves off _______ we are to shake hands with.
| A．whoever | B．whenever | C．whichever | D．wherever |
To understand the complex situation completely requires more thought than ________ so far.
| A．gave | B．has given | C．has been given | D．is being given |