Two lawyers have donated $50,000 to
The priest made the ________ of the cross when he entered the church.
| A．mark | B．signal | C．sign | D．gesture |
On account of fuel supplies being finite and many people being wasteful, we will have to install ________ solar heating device in our home.
| A．some type of a | B．some types of a | C．some type of | D．some types of |
You can take the rest of the pie with you. ________, I wish you would, since I’m on a diet.
| A．On the other hand | B．As a matter of fact |
| C．As a consequence | D．In addition to it |
With the word “ PM2.5” ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
| A．constantly | B．consequently | C．permanently | D．immediately |
He is talking so much about America as if he _____ there.
| A．has gone | B．has been | C．was | D．had been |