—Where have you been?—I         in the heavy traffic. Otherwise I         here earlier.

 There was something wrong with the network, or the e-mail____ earlier.

 Wang Ling, one of my friends, is very good at English. He speaks English as if he ________ an Englishman. 

We ________ jump to conclusions before we have all the facts.

You       trust an online shop just because it has a beautifully-designed website.