I was working as a waiter last month，__________ my friends were lying on the beach.
| A．whenever | B．though |
| C．for | D．while |
A ship in harbor is safe, but that’s not ______ ships are built for.
| A．what | B．whom | C．why | D．when |
Just as I got to the school gate, I realised I ______ my bank in the cafe.
| A．have left | B．had left |
| C．would leave | D．was leaving |
Only when Lily walked into the office ______ that she had left the contract at home.
| A．she realized | B．has she realized |
| C．she has realized | D．did she realize |
The quality of education in this small school is better than ______ in some larger schools.
| A．that | B．one |
| C．it | D．this |
—Sorry, Liz. I think I was a bit rude to you.
—______, but don’t do that again!
| A．Go ahead | B．Forget it |
| C．It depends | D．With pleasure |