He isn’t that hard-working. So he has problems _______ English.
| A．to learn | B．learns | C．learning | D．learned |
There are many CD-ROMs in the bookshop. I don’t know ____ to buy.
| A．what | B．which | C．when | D．how |
---Hello, may I speak to Millie?
---Sorry, she isn’t in. She _________ Nanjing.
| A．have gone to | B．has been to |
| C．has gone to | D．has gone |
I_______ the piano for two years.
| A．have bought | B．will buy |
| C．am buying | D．have had |
Helen often ______ a lot of time listening to music.
| A．costs | B．pays | C．takes | D．spends |
I have work to do today than before, so I have more time _____.
| A．less / relax | B．fewer / to relax |
| C．less / to relax | D．fewer / relax |