—What’s Jack up to in the shoe shop? He’s there for ages.
—It’s ______ that he hasn’t decided which pair to buy.
| A．sure | B．obvious | C．confusing | D．curious |
It was at the very beginning _______ Mr. Fox made the decision _____ we should send more fire-fighters there.
| A．when, which | B．where, that | C．that, that | D．then, so |
Last Sunday I went to visit the History Museum where I saw a pot _________ about 1,000 years before.
| A．so it had been | B．so had it been | C．what it had been | D．as it had been |
The reason why this kind of machine is popular with users is that it will work in ______ temperature.
| A．official | B．extreme | C．common | D．natural |
--- Haven’t seen you for ages! Where have you been, anywhere ?
--- I _______ to New York City. I just got back.
| A．have been sent | B．was sent | C．had been sending | D．would be sent |
________ the punishment was unjust , he would accept it without saying anything, because he knew it was the rule of the company.
| A．As though | B．Even though | C．In case | D．Now that |