—Some Chinese students find it difficult to understand native speakers when in London.
—Exactly, ________they’ve learned a lot about grammar and known many words.
| A．if only | B．now that | C．as if | D．even if |
It is impossible that you achieve your goal without effort, ?
| A．don’t you | B．is it | C．isn’t it | D． do you |
In this technological eraonce took a century now only takes a month.
| A．which | B．that | C．when | D．What |
The pillshim.If only he had taken them regularly.
| A．could help | B．may help |
| C．must have helped | D．might have helped |
—No one answered when I phoned this morning. Where were you?
—Ifor teeth in the dental clinic.
| A．was being treated | B．have been treated |
| C．was treated | D．Treated |
—I’ve got a new English teacher, Lucy Mere.
—Lucy Mere? She happensme before. She is patient.
| A．to teach | B．teaching |
| C．to have taught | D．having taught |