Can you think of an occasion ______ you can use this gesture.
| A．which | B．that | C．when | D．on that |
– I have got a headache.
--No wonder. You ___in front of that computer too long.
| A．work | B．are working | C．have been working | D．worked |
There were some seats left over _____every delegate had sat down.
| A．when | B．until | C．that | D．where |
We forget to bring our tickets , but please let us enter, _____？
| A．do you | B．can we | C．will you | D．shall we |
Mr. White will come to the party on Sunday, _______ he promised to every one of us.
| A．when | B．that | C．what | D．which |
_______ that caused him to serve dinner an hour later than usual.
| A．It was we being late | B．It was our being late |
| C．It was we were too late | D．It was because we were late |